Home / 629,857,400.40-944,786,100.60-576,288,147.60

Finding the Fourth Proportional to 629,857,400.40, 944,786,100.60 and 576,288,147.60

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Solution

The fourth proportional to 629,857,400.40, 944,786,100.60 and 576,288,147.60 is: 864,432,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,400.40 : 944,786,100.60 = 576,288,147.60 : x
  2. Step 2: Convert to fraction form
    629,857,400.40/944,786,100.60 = 576,288,147.60/x
  3. Step 3: Cross multiply
    629,857,400.40x = 944,786,100.60 × 576,288,147.60
  4. Step 4: Simplify right side
    629,857,400.40x = 544,469,031,793,001,280
  5. Step 5: Solve for x
    x = 544,469,031,793,001,280/629,857,400.40
  6. Step 6: Final answer
    x = 864,432,221.40

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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.