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Finding the Fourth Proportional to 695,507,849.34, 959,823,850.05 and 382,253,166.78

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Solution

The fourth proportional to 695,507,849.34, 959,823,850.05 and 382,253,166.78 is: 527,522,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,507,849.34 : 959,823,850.05 = 382,253,166.78 : x
  2. Step 2: Convert to fraction form
    695,507,849.34/959,823,850.05 = 382,253,166.78/x
  3. Step 3: Cross multiply
    695,507,849.34x = 959,823,850.05 × 382,253,166.78
  4. Step 4: Simplify right side
    695,507,849.34x = 366,895,706,232,584,320
  5. Step 5: Solve for x
    x = 366,895,706,232,584,320/695,507,849.34
  6. Step 6: Final answer
    x = 527,522,020.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.