Home / 701,902,375.97-968,679,814.25-388,665,733.73

Finding the Fourth Proportional to 701,902,375.97, 968,679,814.25 and 388,665,733.73

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Solution

The fourth proportional to 701,902,375.97, 968,679,814.25 and 388,665,733.73 is: 536,388,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,902,375.97 : 968,679,814.25 = 388,665,733.73 : x
  2. Step 2: Convert to fraction form
    701,902,375.97/968,679,814.25 = 388,665,733.73/x
  3. Step 3: Cross multiply
    701,902,375.97x = 968,679,814.25 × 388,665,733.73
  4. Step 4: Simplify right side
    701,902,375.97x = 376,492,650,751,044,672
  5. Step 5: Solve for x
    x = 376,492,650,751,044,672/701,902,375.97
  6. Step 6: Final answer
    x = 536,388,910.54

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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.