Home / 629,857,126.20-944,785,689.30-220,860,132.60

Finding the Fourth Proportional to 629,857,126.20, 944,785,689.30 and 220,860,132.60

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Solution

The fourth proportional to 629,857,126.20, 944,785,689.30 and 220,860,132.60 is: 331,290,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,126.20 : 944,785,689.30 = 220,860,132.60 : x
  2. Step 2: Convert to fraction form
    629,857,126.20/944,785,689.30 = 220,860,132.60/x
  3. Step 3: Cross multiply
    629,857,126.20x = 944,785,689.30 × 220,860,132.60
  4. Step 4: Simplify right side
    629,857,126.20x = 208,665,492,617,380,384
  5. Step 5: Solve for x
    x = 208,665,492,617,380,384/629,857,126.20
  6. Step 6: Final answer
    x = 331,290,198.90

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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.