Home / 694,519,241.73-958,411,753.65-393,098,084.43

Finding the Fourth Proportional to 694,519,241.73, 958,411,753.65 and 393,098,084.43

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Solution

The fourth proportional to 694,519,241.73, 958,411,753.65 and 393,098,084.43 is: 542,461,319.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,519,241.73 : 958,411,753.65 = 393,098,084.43 : x
  2. Step 2: Convert to fraction form
    694,519,241.73/958,411,753.65 = 393,098,084.43/x
  3. Step 3: Cross multiply
    694,519,241.73x = 958,411,753.65 × 393,098,084.43
  4. Step 4: Simplify right side
    694,519,241.73x = 376,749,824,455,012,032
  5. Step 5: Solve for x
    x = 376,749,824,455,012,032/694,519,241.73
  6. Step 6: Final answer
    x = 542,461,319.74

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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.