Home / 629,367,613.60-943,043,650.80-413,704,919.20

Finding the Fourth Proportional to 629,367,613.60, 943,043,650.80 and 413,704,919.20

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Solution

The fourth proportional to 629,367,613.60, 943,043,650.80 and 413,704,919.20 is: 619,894,937.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,367,613.60 : 943,043,650.80 = 413,704,919.20 : x
  2. Step 2: Convert to fraction form
    629,367,613.60/943,043,650.80 = 413,704,919.20/x
  3. Step 3: Cross multiply
    629,367,613.60x = 943,043,650.80 × 413,704,919.20
  4. Step 4: Simplify right side
    629,367,613.60x = 390,141,797,356,286,976
  5. Step 5: Solve for x
    x = 390,141,797,356,286,976/629,367,613.60
  6. Step 6: Final answer
    x = 619,894,937.28

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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.