Home / 391,567,324.60-587,350,986.90-327,866,332.60

Finding the Fourth Proportional to 391,567,324.60, 587,350,986.90 and 327,866,332.60

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Solution

The fourth proportional to 391,567,324.60, 587,350,986.90 and 327,866,332.60 is: 491,799,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,567,324.60 : 587,350,986.90 = 327,866,332.60 : x
  2. Step 2: Convert to fraction form
    391,567,324.60/587,350,986.90 = 327,866,332.60/x
  3. Step 3: Cross multiply
    391,567,324.60x = 587,350,986.90 × 327,866,332.60
  4. Step 4: Simplify right side
    391,567,324.60x = 192,572,614,023,893,664
  5. Step 5: Solve for x
    x = 192,572,614,023,893,664/391,567,324.60
  6. Step 6: Final answer
    x = 491,799,498.90

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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.