Home / 498,191,425.97-687,504,141.60-269,046,177.35

Finding the Fourth Proportional to 498,191,425.97, 687,504,141.60 and 269,046,177.35

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Solution

The fourth proportional to 498,191,425.97, 687,504,141.60 and 269,046,177.35 is: 371,283,710.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,191,425.97 : 687,504,141.60 = 269,046,177.35 : x
  2. Step 2: Convert to fraction form
    498,191,425.97/687,504,141.60 = 269,046,177.35/x
  3. Step 3: Cross multiply
    498,191,425.97x = 687,504,141.60 × 269,046,177.35
  4. Step 4: Simplify right side
    498,191,425.97x = 184,970,361,209,773,120
  5. Step 5: Solve for x
    x = 184,970,361,209,773,120/498,191,425.97
  6. Step 6: Final answer
    x = 371,283,710.57

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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.