Home / 391,603,499.85-587,472,170.90-161,446,769.13

Finding the Fourth Proportional to 391,603,499.85, 587,472,170.90 and 161,446,769.13

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Solution

The fourth proportional to 391,603,499.85, 587,472,170.90 and 161,446,769.13 is: 242,197,743.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,603,499.85 : 587,472,170.90 = 161,446,769.13 : x
  2. Step 2: Convert to fraction form
    391,603,499.85/587,472,170.90 = 161,446,769.13/x
  3. Step 3: Cross multiply
    391,603,499.85x = 587,472,170.90 × 161,446,769.13
  4. Step 4: Simplify right side
    391,603,499.85x = 94,845,483,945,592,192
  5. Step 5: Solve for x
    x = 94,845,483,945,592,192/391,603,499.85
  6. Step 6: Final answer
    x = 242,197,743.33

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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.