Home / 624,188,028.53-861,379,463.55-345,747,488.15

Finding the Fourth Proportional to 624,188,028.53, 861,379,463.55 and 345,747,488.15

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Solution

The fourth proportional to 624,188,028.53, 861,379,463.55 and 345,747,488.15 is: 477,131,524.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,188,028.53 : 861,379,463.55 = 345,747,488.15 : x
  2. Step 2: Convert to fraction form
    624,188,028.53/861,379,463.55 = 345,747,488.15/x
  3. Step 3: Cross multiply
    624,188,028.53x = 861,379,463.55 × 345,747,488.15
  4. Step 4: Simplify right side
    624,188,028.53x = 297,819,785,862,100,032
  5. Step 5: Solve for x
    x = 297,819,785,862,100,032/624,188,028.53
  6. Step 6: Final answer
    x = 477,131,524.88

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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.