Home / 396,509,960.89-547,064,418.17-237,682,132.50

Finding the Fourth Proportional to 396,509,960.89, 547,064,418.17 and 237,682,132.50

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Solution

The fourth proportional to 396,509,960.89, 547,064,418.17 and 237,682,132.50 is: 327,929,813.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,509,960.89 : 547,064,418.17 = 237,682,132.50 : x
  2. Step 2: Convert to fraction form
    396,509,960.89/547,064,418.17 = 237,682,132.50/x
  3. Step 3: Cross multiply
    396,509,960.89x = 547,064,418.17 × 237,682,132.50
  4. Step 4: Simplify right side
    396,509,960.89x = 130,027,437,525,517,344
  5. Step 5: Solve for x
    x = 130,027,437,525,517,344/396,509,960.89
  6. Step 6: Final answer
    x = 327,929,813.50

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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.