Home / 485,123,006.20-727,716,002.10-255,540,494.20

Finding the Fourth Proportional to 485,123,006.20, 727,716,002.10 and 255,540,494.20

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Solution

The fourth proportional to 485,123,006.20, 727,716,002.10 and 255,540,494.20 is: 383,327,330.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,123,006.20 : 727,716,002.10 = 255,540,494.20 : x
  2. Step 2: Convert to fraction form
    485,123,006.20/727,716,002.10 = 255,540,494.20/x
  3. Step 3: Cross multiply
    485,123,006.20x = 727,716,002.10 × 255,540,494.20
  4. Step 4: Simplify right side
    485,123,006.20x = 185,960,906,813,882,240
  5. Step 5: Solve for x
    x = 185,960,906,813,882,240/485,123,006.20
  6. Step 6: Final answer
    x = 383,327,330.26

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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.