Home / 391,567,348.60-587,351,022.90-327,866,356.60

Finding the Fourth Proportional to 391,567,348.60, 587,351,022.90 and 327,866,356.60

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Solution

The fourth proportional to 391,567,348.60, 587,351,022.90 and 327,866,356.60 is: 491,799,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,567,348.60 : 587,351,022.90 = 327,866,356.60 : x
  2. Step 2: Convert to fraction form
    391,567,348.60/587,351,022.90 = 327,866,356.60/x
  3. Step 3: Cross multiply
    391,567,348.60x = 587,351,022.90 × 327,866,356.60
  4. Step 4: Simplify right side
    391,567,348.60x = 192,572,639,923,506,176
  5. Step 5: Solve for x
    x = 192,572,639,923,506,176/391,567,348.60
  6. Step 6: Final answer
    x = 491,799,534.90

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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.