Home / 391,603,497.35-587,472,167.15-161,446,766.63

Finding the Fourth Proportional to 391,603,497.35, 587,472,167.15 and 161,446,766.63

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Solution

The fourth proportional to 391,603,497.35, 587,472,167.15 and 161,446,766.63 is: 242,197,739.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,603,497.35 : 587,472,167.15 = 161,446,766.63 : x
  2. Step 2: Convert to fraction form
    391,603,497.35/587,472,167.15 = 161,446,766.63/x
  3. Step 3: Cross multiply
    391,603,497.35x = 587,472,167.15 × 161,446,766.63
  4. Step 4: Simplify right side
    391,603,497.35x = 94,845,481,870,679,168
  5. Step 5: Solve for x
    x = 94,845,481,870,679,168/391,603,497.35
  6. Step 6: Final answer
    x = 242,197,739.58

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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.