Home / 391,702,340.61-587,532,248.28-119,051,849.97

Finding the Fourth Proportional to 391,702,340.61, 587,532,248.28 and 119,051,849.97

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Solution

The fourth proportional to 391,702,340.61, 587,532,248.28 and 119,051,849.97 is: 178,571,312.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,702,340.61 : 587,532,248.28 = 119,051,849.97 : x
  2. Step 2: Convert to fraction form
    391,702,340.61/587,532,248.28 = 119,051,849.97/x
  3. Step 3: Cross multiply
    391,702,340.61x = 587,532,248.28 × 119,051,849.97
  4. Step 4: Simplify right side
    391,702,340.61x = 69,946,801,074,767,344
  5. Step 5: Solve for x
    x = 69,946,801,074,767,344/391,702,340.61
  6. Step 6: Final answer
    x = 178,571,312.51

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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.