Home / 649,541,113.10-974,311,669.65-511,791,605.90

Finding the Fourth Proportional to 649,541,113.10, 974,311,669.65 and 511,791,605.90

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Solution

The fourth proportional to 649,541,113.10, 974,311,669.65 and 511,791,605.90 is: 767,687,408.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,541,113.10 : 974,311,669.65 = 511,791,605.90 : x
  2. Step 2: Convert to fraction form
    649,541,113.10/974,311,669.65 = 511,791,605.90/x
  3. Step 3: Cross multiply
    649,541,113.10x = 974,311,669.65 × 511,791,605.90
  4. Step 4: Simplify right side
    649,541,113.10x = 498,644,534,057,283,776
  5. Step 5: Solve for x
    x = 498,644,534,057,283,776/649,541,113.10
  6. Step 6: Final answer
    x = 767,687,408.85

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Double scale
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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.