Home / 391,674,501.20-587,656,385.40-161,663,531.60

Finding the Fourth Proportional to 391,674,501.20, 587,656,385.40 and 161,663,531.60

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Solution

The fourth proportional to 391,674,501.20, 587,656,385.40 and 161,663,531.60 is: 242,554,994.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,674,501.20 : 587,656,385.40 = 161,663,531.60 : x
  2. Step 2: Convert to fraction form
    391,674,501.20/587,656,385.40 = 161,663,531.60/x
  3. Step 3: Cross multiply
    391,674,501.20x = 587,656,385.40 × 161,663,531.60
  4. Step 4: Simplify right side
    391,674,501.20x = 95,002,606,631,054,672
  5. Step 5: Solve for x
    x = 95,002,606,631,054,672/391,674,501.20
  6. Step 6: Final answer
    x = 242,554,994.87

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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.