What percent is 15 million out of 7 billion?

To find what percent 15 million is of 7 billion, you can use the formula: (part/whole) × 100. Here, part is 15 million (15,000,000) and whole is 7 billion (7,000,000,000).

Calculating this gives: (15,000,000 / 7,000,000,000) × 100 ≈ 0.2143%. Thus, 15 million is approximately 0.21% of 7 billion.