Home / 561,723,301.80-842,584,952.70-389,394,700.20

Finding the Fourth Proportional to 561,723,301.80, 842,584,952.70 and 389,394,700.20

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Solution

The fourth proportional to 561,723,301.80, 842,584,952.70 and 389,394,700.20 is: 584,092,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,723,301.80 : 842,584,952.70 = 389,394,700.20 : x
  2. Step 2: Convert to fraction form
    561,723,301.80/842,584,952.70 = 389,394,700.20/x
  3. Step 3: Cross multiply
    561,723,301.80x = 842,584,952.70 × 389,394,700.20
  4. Step 4: Simplify right side
    561,723,301.80x = 328,098,115,049,647,680
  5. Step 5: Solve for x
    x = 328,098,115,049,647,680/561,723,301.80
  6. Step 6: Final answer
    x = 584,092,050.30

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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.