Home / 281,647,620.29-422,384,963.55-194,767,440.61

Finding the Fourth Proportional to 281,647,620.29, 422,384,963.55 and 194,767,440.61

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Solution

The fourth proportional to 281,647,620.29, 422,384,963.55 and 194,767,440.61 is: 292,091,366.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,647,620.29 : 422,384,963.55 = 194,767,440.61 : x
  2. Step 2: Convert to fraction form
    281,647,620.29/422,384,963.55 = 194,767,440.61/x
  3. Step 3: Cross multiply
    281,647,620.29x = 422,384,963.55 × 194,767,440.61
  4. Step 4: Simplify right side
    281,647,620.29x = 82,266,838,302,781,648
  5. Step 5: Solve for x
    x = 82,266,838,302,781,648/281,647,620.29
  6. Step 6: Final answer
    x = 292,091,366.57

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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.