Home / 526,760,737.71-726,895,727.60-288,605,595.78

Finding the Fourth Proportional to 526,760,737.71, 726,895,727.60 and 288,605,595.78

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Solution

The fourth proportional to 526,760,737.71, 726,895,727.60 and 288,605,595.78 is: 398,257,044.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,760,737.71 : 726,895,727.60 = 288,605,595.78 : x
  2. Step 2: Convert to fraction form
    526,760,737.71/726,895,727.60 = 288,605,595.78/x
  3. Step 3: Cross multiply
    526,760,737.71x = 726,895,727.60 × 288,605,595.78
  4. Step 4: Simplify right side
    526,760,737.71x = 209,786,174,532,491,552
  5. Step 5: Solve for x
    x = 209,786,174,532,491,552/526,760,737.71
  6. Step 6: Final answer
    x = 398,257,044.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.