What is 4/5 of a billion?

Here we will explain and illustrate how to calculate 4/5 of a billion. In other words, you will learn how to answer the question, "What is four fifths of a billion?"

If you want to calculate 4/5 of a billion (four fifths of a billion), then you want to divide one billion (1,000,000,000) into 5 equal pieces and calculate the sum of 4 of those pieces.

Therefore, 4/5 of a billion is the quotient of one billion divided by 5, multiplied by 4. Here is the math and the answer:

(1,000,000,000 ÷ 5) × 4 = 800,000,000
4/5 of a billion = 800,000,000

Note that 4/5 of a billion will result in the same answer regardless of what you are referring to. For example, you might calculate 4/5 of a billion dollars or 4/5 of a billion people.

We also created the image below to give you a better understanding of what four fifths of a billion looks like.

What is 4/5 of a billion?

To create the image above depicting 4/5 of a billion, we first colored the entire pie blue, and then colored 4/5 of the pie green.

Fraction of a Billion Calculator
Use this tool to get the fraction of another billion.

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