Home / 629,857,123.20-944,785,684.80-220,860,129.60

Finding the Fourth Proportional to 629,857,123.20, 944,785,684.80 and 220,860,129.60

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Solution

The fourth proportional to 629,857,123.20, 944,785,684.80 and 220,860,129.60 is: 331,290,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,123.20 : 944,785,684.80 = 220,860,129.60 : x
  2. Step 2: Convert to fraction form
    629,857,123.20/944,785,684.80 = 220,860,129.60/x
  3. Step 3: Cross multiply
    629,857,123.20x = 944,785,684.80 × 220,860,129.60
  4. Step 4: Simplify right side
    629,857,123.20x = 208,665,488,789,152,736
  5. Step 5: Solve for x
    x = 208,665,488,789,152,736/629,857,123.20
  6. Step 6: Final answer
    x = 331,290,194.40

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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.