Home / 396,440,311.92-547,103,142.36-271,255,063.92

Finding the Fourth Proportional to 396,440,311.92, 547,103,142.36 and 271,255,063.92

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Solution

The fourth proportional to 396,440,311.92, 547,103,142.36 and 271,255,063.92 is: 374,342,601.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,440,311.92 : 547,103,142.36 = 271,255,063.92 : x
  2. Step 2: Convert to fraction form
    396,440,311.92/547,103,142.36 = 271,255,063.92/x
  3. Step 3: Cross multiply
    396,440,311.92x = 547,103,142.36 × 271,255,063.92
  4. Step 4: Simplify right side
    396,440,311.92x = 148,404,497,851,694,688
  5. Step 5: Solve for x
    x = 148,404,497,851,694,688/396,440,311.92
  6. Step 6: Final answer
    x = 374,342,601.87

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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.