Home / 485,188,404.36-727,516,083.06-239,003,354.76

Finding the Fourth Proportional to 485,188,404.36, 727,516,083.06 and 239,003,354.76

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Solution

The fourth proportional to 485,188,404.36, 727,516,083.06 and 239,003,354.76 is: 358,373,742.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,188,404.36 : 727,516,083.06 = 239,003,354.76 : x
  2. Step 2: Convert to fraction form
    485,188,404.36/727,516,083.06 = 239,003,354.76/x
  3. Step 3: Cross multiply
    485,188,404.36x = 727,516,083.06 × 239,003,354.76
  4. Step 4: Simplify right side
    485,188,404.36x = 173,878,784,493,194,784
  5. Step 5: Solve for x
    x = 173,878,784,493,194,784/485,188,404.36
  6. Step 6: Final answer
    x = 358,373,742.92

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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.