Home / 391,603,496.85-587,472,166.40-161,446,766.13

Finding the Fourth Proportional to 391,603,496.85, 587,472,166.40 and 161,446,766.13

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Solution

The fourth proportional to 391,603,496.85, 587,472,166.40 and 161,446,766.13 is: 242,197,738.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,603,496.85 : 587,472,166.40 = 161,446,766.13 : x
  2. Step 2: Convert to fraction form
    391,603,496.85/587,472,166.40 = 161,446,766.13/x
  3. Step 3: Cross multiply
    391,603,496.85x = 587,472,166.40 × 161,446,766.13
  4. Step 4: Simplify right side
    391,603,496.85x = 94,845,481,455,858,000
  5. Step 5: Solve for x
    x = 94,845,481,455,858,000/391,603,496.85
  6. Step 6: Final answer
    x = 242,197,738.83

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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.