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Finding the Fourth Proportional to 398,650,281.60, 597,331,569.60 and 225,612,508.80

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Solution

The fourth proportional to 398,650,281.60, 597,331,569.60 and 225,612,508.80 is: 338,054,380.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,650,281.60 : 597,331,569.60 = 225,612,508.80 : x
  2. Step 2: Convert to fraction form
    398,650,281.60/597,331,569.60 = 225,612,508.80/x
  3. Step 3: Cross multiply
    398,650,281.60x = 597,331,569.60 × 225,612,508.80
  4. Step 4: Simplify right side
    398,650,281.60x = 134,765,474,002,897,824
  5. Step 5: Solve for x
    x = 134,765,474,002,897,824/398,650,281.60
  6. Step 6: Final answer
    x = 338,054,380.55

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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.