Home / 557,482,002.92-769,107,434.46-319,199,850.95

Finding the Fourth Proportional to 557,482,002.92, 769,107,434.46 and 319,199,850.95

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Solution

The fourth proportional to 557,482,002.92, 769,107,434.46 and 319,199,850.95 is: 440,371,127.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,482,002.92 : 769,107,434.46 = 319,199,850.95 : x
  2. Step 2: Convert to fraction form
    557,482,002.92/769,107,434.46 = 319,199,850.95/x
  3. Step 3: Cross multiply
    557,482,002.92x = 769,107,434.46 × 319,199,850.95
  4. Step 4: Simplify right side
    557,482,002.92x = 245,498,978,440,323,360
  5. Step 5: Solve for x
    x = 245,498,978,440,323,360/557,482,002.92
  6. Step 6: Final answer
    x = 440,371,127.96

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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.