Home / 396,495,531.85-547,131,755.40-229,242,523.95

Finding the Fourth Proportional to 396,495,531.85, 547,131,755.40 and 229,242,523.95

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Solution

The fourth proportional to 396,495,531.85, 547,131,755.40 and 229,242,523.95 is: 316,336,136.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,495,531.85 : 547,131,755.40 = 229,242,523.95 : x
  2. Step 2: Convert to fraction form
    396,495,531.85/547,131,755.40 = 229,242,523.95/x
  3. Step 3: Cross multiply
    396,495,531.85x = 547,131,755.40 × 229,242,523.95
  4. Step 4: Simplify right side
    396,495,531.85x = 125,425,864,538,178,640
  5. Step 5: Solve for x
    x = 125,425,864,538,178,640/396,495,531.85
  6. Step 6: Final answer
    x = 316,336,136.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.