Home / 521,609,195.70-782,413,793.55-467,189,637.30

Finding the Fourth Proportional to 521,609,195.70, 782,413,793.55 and 467,189,637.30

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Solution

The fourth proportional to 521,609,195.70, 782,413,793.55 and 467,189,637.30 is: 700,784,455.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,609,195.70 : 782,413,793.55 = 467,189,637.30 : x
  2. Step 2: Convert to fraction form
    521,609,195.70/782,413,793.55 = 467,189,637.30/x
  3. Step 3: Cross multiply
    521,609,195.70x = 782,413,793.55 × 467,189,637.30
  4. Step 4: Simplify right side
    521,609,195.70x = 365,535,616,427,141,568
  5. Step 5: Solve for x
    x = 365,535,616,427,141,568/521,609,195.70
  6. Step 6: Final answer
    x = 700,784,455.95

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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.