Home / 527,930,166.60-792,178,685.10-221,253,280.20

Finding the Fourth Proportional to 527,930,166.60, 792,178,685.10 and 221,253,280.20

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Solution

The fourth proportional to 527,930,166.60, 792,178,685.10 and 221,253,280.20 is: 331,998,706.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,930,166.60 : 792,178,685.10 = 221,253,280.20 : x
  2. Step 2: Convert to fraction form
    527,930,166.60/792,178,685.10 = 221,253,280.20/x
  3. Step 3: Cross multiply
    527,930,166.60x = 792,178,685.10 × 221,253,280.20
  4. Step 4: Simplify right side
    527,930,166.60x = 175,272,132,582,897,856
  5. Step 5: Solve for x
    x = 175,272,132,582,897,856/527,930,166.60
  6. Step 6: Final answer
    x = 331,998,706.78

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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.