Home / 629,857,433.20-944,786,149.80-220,860,439.60

Finding the Fourth Proportional to 629,857,433.20, 944,786,149.80 and 220,860,439.60

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Solution

The fourth proportional to 629,857,433.20, 944,786,149.80 and 220,860,439.60 is: 331,290,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,433.20 : 944,786,149.80 = 220,860,439.60 : x
  2. Step 2: Convert to fraction form
    629,857,433.20/944,786,149.80 = 220,860,439.60/x
  3. Step 3: Cross multiply
    629,857,433.20x = 944,786,149.80 × 220,860,439.60
  4. Step 4: Simplify right side
    629,857,433.20x = 208,665,884,372,819,424
  5. Step 5: Solve for x
    x = 208,665,884,372,819,424/629,857,433.20
  6. Step 6: Final answer
    x = 331,290,659.40

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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.