Home / 484,664,737.20-726,997,105.80-408,137,233.20

Finding the Fourth Proportional to 484,664,737.20, 726,997,105.80 and 408,137,233.20

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Solution

The fourth proportional to 484,664,737.20, 726,997,105.80 and 408,137,233.20 is: 612,205,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,664,737.20 : 726,997,105.80 = 408,137,233.20 : x
  2. Step 2: Convert to fraction form
    484,664,737.20/726,997,105.80 = 408,137,233.20/x
  3. Step 3: Cross multiply
    484,664,737.20x = 726,997,105.80 × 408,137,233.20
  4. Step 4: Simplify right side
    484,664,737.20x = 296,714,587,305,619,648
  5. Step 5: Solve for x
    x = 296,714,587,305,619,648/484,664,737.20
  6. Step 6: Final answer
    x = 612,205,849.80

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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.