Home / 705,251,007.70-1,057,876,511.55-187,733,761.90

Finding the Fourth Proportional to 705,251,007.70, 1,057,876,511.55 and 187,733,761.90

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Solution

The fourth proportional to 705,251,007.70, 1,057,876,511.55 and 187,733,761.90 is: 281,600,642.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,251,007.70 : 1,057,876,511.55 = 187,733,761.90 : x
  2. Step 2: Convert to fraction form
    705,251,007.70/1,057,876,511.55 = 187,733,761.90/x
  3. Step 3: Cross multiply
    705,251,007.70x = 1,057,876,511.55 × 187,733,761.90
  4. Step 4: Simplify right side
    705,251,007.70x = 198,599,137,138,930,304
  5. Step 5: Solve for x
    x = 198,599,137,138,930,304/705,251,007.70
  6. Step 6: Final answer
    x = 281,600,642.85

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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.