Home / 433,103,631.90-649,655,447.85-260,916,747.90

Finding the Fourth Proportional to 433,103,631.90, 649,655,447.85 and 260,916,747.90

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Solution

The fourth proportional to 433,103,631.90, 649,655,447.85 and 260,916,747.90 is: 391,375,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,103,631.90 : 649,655,447.85 = 260,916,747.90 : x
  2. Step 2: Convert to fraction form
    433,103,631.90/649,655,447.85 = 260,916,747.90/x
  3. Step 3: Cross multiply
    433,103,631.90x = 649,655,447.85 × 260,916,747.90
  4. Step 4: Simplify right side
    433,103,631.90x = 169,505,986,708,540,064
  5. Step 5: Solve for x
    x = 169,505,986,708,540,064/433,103,631.90
  6. Step 6: Final answer
    x = 391,375,121.85

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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.