Home / 2,491,530,691.92-3,737,667,657.12-917,516,972.16

Finding the Fourth Proportional to 2,491,530,691.92, 3,737,667,657.12 and 917,516,972.16

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Solution

The fourth proportional to 2,491,530,691.92, 3,737,667,657.12 and 917,516,972.16 is: 1,376,412,308.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491,530,691.92 : 3,737,667,657.12 = 917,516,972.16 : x
  2. Step 2: Convert to fraction form
    2,491,530,691.92/3,737,667,657.12 = 917,516,972.16/x
  3. Step 3: Cross multiply
    2,491,530,691.92x = 3,737,667,657.12 × 917,516,972.16
  4. Step 4: Simplify right side
    2,491,530,691.92x = 3,429,373,511,701,103,104
  5. Step 5: Solve for x
    x = 3,429,373,511,701,103,104/2,491,530,691.92
  6. Step 6: Final answer
    x = 1,376,412,308.64

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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.