Home / 391,603,538.94-587,472,229.44-161,446,808.22

Finding the Fourth Proportional to 391,603,538.94, 587,472,229.44 and 161,446,808.22

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Solution

The fourth proportional to 391,603,538.94, 587,472,229.44 and 161,446,808.22 is: 242,197,801.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,603,538.94 : 587,472,229.44 = 161,446,808.22 : x
  2. Step 2: Convert to fraction form
    391,603,538.94/587,472,229.44 = 161,446,808.22/x
  3. Step 3: Cross multiply
    391,603,538.94x = 587,472,229.44 × 161,446,808.22
  4. Step 4: Simplify right side
    391,603,538.94x = 94,845,516,360,975,520
  5. Step 5: Solve for x
    x = 94,845,516,360,975,520/391,603,538.94
  6. Step 6: Final answer
    x = 242,197,801.93

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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.