Home / 656,375,793.30-984,712,989.15-383,606,154.90

Finding the Fourth Proportional to 656,375,793.30, 984,712,989.15 and 383,606,154.90

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Solution

The fourth proportional to 656,375,793.30, 984,712,989.15 and 383,606,154.90 is: 575,496,487.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,375,793.30 : 984,712,989.15 = 383,606,154.90 : x
  2. Step 2: Convert to fraction form
    656,375,793.30/984,712,989.15 = 383,606,154.90/x
  3. Step 3: Cross multiply
    656,375,793.30x = 984,712,989.15 × 383,606,154.90
  4. Step 4: Simplify right side
    656,375,793.30x = 377,741,963,447,916,864
  5. Step 5: Solve for x
    x = 377,741,963,447,916,864/656,375,793.30
  6. Step 6: Final answer
    x = 575,496,487.38

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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.