Home / 278,534,414.88-384,258,249-173,930,882.04

Finding the Fourth Proportional to 278,534,414.88, 384,258,249 and 173,930,882.04

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Solution

The fourth proportional to 278,534,414.88, 384,258,249 and 173,930,882.04 is: 239,950,155.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,534,414.88 : 384,258,249 = 173,930,882.04 : x
  2. Step 2: Convert to fraction form
    278,534,414.88/384,258,249 = 173,930,882.04/x
  3. Step 3: Cross multiply
    278,534,414.88x = 384,258,249 × 173,930,882.04
  4. Step 4: Simplify right side
    278,534,414.88x = 66,834,376,179,715,944
  5. Step 5: Solve for x
    x = 66,834,376,179,715,944/278,534,414.88
  6. Step 6: Final answer
    x = 239,950,155.56

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1.5x scale

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.