Home / 705,251,019.70-1,057,876,529.55-187,733,773.90

Finding the Fourth Proportional to 705,251,019.70, 1,057,876,529.55 and 187,733,773.90

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Solution

The fourth proportional to 705,251,019.70, 1,057,876,529.55 and 187,733,773.90 is: 281,600,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,251,019.70 : 1,057,876,529.55 = 187,733,773.90 : x
  2. Step 2: Convert to fraction form
    705,251,019.70/1,057,876,529.55 = 187,733,773.90/x
  3. Step 3: Cross multiply
    705,251,019.70x = 1,057,876,529.55 × 187,733,773.90
  4. Step 4: Simplify right side
    705,251,019.70x = 198,599,153,212,656,352
  5. Step 5: Solve for x
    x = 198,599,153,212,656,352/705,251,019.70
  6. Step 6: Final answer
    x = 281,600,660.85

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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.