Home / 659,944,006.80-989,916,010.20-297,146,950.80

Finding the Fourth Proportional to 659,944,006.80, 989,916,010.20 and 297,146,950.80

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Solution

The fourth proportional to 659,944,006.80, 989,916,010.20 and 297,146,950.80 is: 445,720,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,944,006.80 : 989,916,010.20 = 297,146,950.80 : x
  2. Step 2: Convert to fraction form
    659,944,006.80/989,916,010.20 = 297,146,950.80/x
  3. Step 3: Cross multiply
    659,944,006.80x = 989,916,010.20 × 297,146,950.80
  4. Step 4: Simplify right side
    659,944,006.80x = 294,150,523,979,031,744
  5. Step 5: Solve for x
    x = 294,150,523,979,031,744/659,944,006.80
  6. Step 6: Final answer
    x = 445,720,426.20

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.