Home / 386,112,789.88-532,335,521.46-250,081,005.88

Finding the Fourth Proportional to 386,112,789.88, 532,335,521.46 and 250,081,005.88

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Solution

The fourth proportional to 386,112,789.88, 532,335,521.46 and 250,081,005.88 is: 344,787,860.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,112,789.88 : 532,335,521.46 = 250,081,005.88 : x
  2. Step 2: Convert to fraction form
    386,112,789.88/532,335,521.46 = 250,081,005.88/x
  3. Step 3: Cross multiply
    386,112,789.88x = 532,335,521.46 × 250,081,005.88
  4. Step 4: Simplify right side
    386,112,789.88x = 133,127,002,672,371,120
  5. Step 5: Solve for x
    x = 133,127,002,672,371,120/386,112,789.88
  6. Step 6: Final answer
    x = 344,787,860.34

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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.