Home / 396,509,959.89-547,064,416.79-237,682,131.50

Finding the Fourth Proportional to 396,509,959.89, 547,064,416.79 and 237,682,131.50

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Solution

The fourth proportional to 396,509,959.89, 547,064,416.79 and 237,682,131.50 is: 327,929,812.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,509,959.89 : 547,064,416.79 = 237,682,131.50 : x
  2. Step 2: Convert to fraction form
    396,509,959.89/547,064,416.79 = 237,682,131.50/x
  3. Step 3: Cross multiply
    396,509,959.89x = 547,064,416.79 × 237,682,131.50
  4. Step 4: Simplify right side
    396,509,959.89x = 130,027,436,651,522,160
  5. Step 5: Solve for x
    x = 130,027,436,651,522,160/396,509,959.89
  6. Step 6: Final answer
    x = 327,929,812.12

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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.