Home / 391,567,344.60-587,351,016.90-327,866,352.60

Finding the Fourth Proportional to 391,567,344.60, 587,351,016.90 and 327,866,352.60

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Solution

The fourth proportional to 391,567,344.60, 587,351,016.90 and 327,866,352.60 is: 491,799,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,567,344.60 : 587,351,016.90 = 327,866,352.60 : x
  2. Step 2: Convert to fraction form
    391,567,344.60/587,351,016.90 = 327,866,352.60/x
  3. Step 3: Cross multiply
    391,567,344.60x = 587,351,016.90 × 327,866,352.60
  4. Step 4: Simplify right side
    391,567,344.60x = 192,572,635,606,903,968
  5. Step 5: Solve for x
    x = 192,572,635,606,903,968/391,567,344.60
  6. Step 6: Final answer
    x = 491,799,528.90

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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.