Home / 272,098,491,338.10-408,147,737,007.15-205,978,727,882.10

Finding the Fourth Proportional to 272,098,491,338.10, 408,147,737,007.15 and 205,978,727,882.10

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Solution

The fourth proportional to 272,098,491,338.10, 408,147,737,007.15 and 205,978,727,882.10 is: 308,968,091,823.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,098,491,338.10 : 408,147,737,007.15 = 205,978,727,882.10 : x
  2. Step 2: Convert to fraction form
    272,098,491,338.10/408,147,737,007.15 = 205,978,727,882.10/x
  3. Step 3: Cross multiply
    272,098,491,338.10x = 408,147,737,007.15 × 205,978,727,882.10
  4. Step 4: Simplify right side
    272,098,491,338.10x = 84,069,751,656,690,671,943,680
  5. Step 5: Solve for x
    x = 84,069,751,656,690,671,943,680/272,098,491,338.10
  6. Step 6: Final answer
    x = 308,968,091,823.15

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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.