Home / 694,984,046.13-959,137,132.50-393,622,967.52

Finding the Fourth Proportional to 694,984,046.13, 959,137,132.50 and 393,622,967.52

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Solution

The fourth proportional to 694,984,046.13, 959,137,132.50 and 393,622,967.52 is: 543,233,195.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,984,046.13 : 959,137,132.50 = 393,622,967.52 : x
  2. Step 2: Convert to fraction form
    694,984,046.13/959,137,132.50 = 393,622,967.52/x
  3. Step 3: Cross multiply
    694,984,046.13x = 959,137,132.50 × 393,622,967.52
  4. Step 4: Simplify right side
    694,984,046.13x = 377,538,404,353,273,408
  5. Step 5: Solve for x
    x = 377,538,404,353,273,408/694,984,046.13
  6. Step 6: Final answer
    x = 543,233,195.72

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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.