Home / 484,258,665.20-726,387,997.80-416,234,217.20

Finding the Fourth Proportional to 484,258,665.20, 726,387,997.80 and 416,234,217.20

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Solution

The fourth proportional to 484,258,665.20, 726,387,997.80 and 416,234,217.20 is: 624,351,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,258,665.20 : 726,387,997.80 = 416,234,217.20 : x
  2. Step 2: Convert to fraction form
    484,258,665.20/726,387,997.80 = 416,234,217.20/x
  3. Step 3: Cross multiply
    484,258,665.20x = 726,387,997.80 × 416,234,217.20
  4. Step 4: Simplify right side
    484,258,665.20x = 302,347,539,647,758,272
  5. Step 5: Solve for x
    x = 302,347,539,647,758,272/484,258,665.20
  6. Step 6: Final answer
    x = 624,351,325.80

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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.