Home / 705,251,012.70-1,057,876,519.05-187,733,766.90

Finding the Fourth Proportional to 705,251,012.70, 1,057,876,519.05 and 187,733,766.90

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Solution

The fourth proportional to 705,251,012.70, 1,057,876,519.05 and 187,733,766.90 is: 281,600,650.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,251,012.70 : 1,057,876,519.05 = 187,733,766.90 : x
  2. Step 2: Convert to fraction form
    705,251,012.70/1,057,876,519.05 = 187,733,766.90/x
  3. Step 3: Cross multiply
    705,251,012.70x = 1,057,876,519.05 × 187,733,766.90
  4. Step 4: Simplify right side
    705,251,012.70x = 198,599,143,836,316,096
  5. Step 5: Solve for x
    x = 198,599,143,836,316,096/705,251,012.70
  6. Step 6: Final answer
    x = 281,600,650.35

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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.