Home / 642,418,269.78-963,625,469.31-182,356,828.50

Finding the Fourth Proportional to 642,418,269.78, 963,625,469.31 and 182,356,828.50

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Solution

The fourth proportional to 642,418,269.78, 963,625,469.31 and 182,356,828.50 is: 273,534,693.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,418,269.78 : 963,625,469.31 = 182,356,828.50 : x
  2. Step 2: Convert to fraction form
    642,418,269.78/963,625,469.31 = 182,356,828.50/x
  3. Step 3: Cross multiply
    642,418,269.78x = 963,625,469.31 × 182,356,828.50
  4. Step 4: Simplify right side
    642,418,269.78x = 175,723,684,445,195,680
  5. Step 5: Solve for x
    x = 175,723,684,445,195,680/642,418,269.78
  6. Step 6: Final answer
    x = 273,534,693.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.