Home / 287,801,732.49-396,806,456.39-240,185,539.05

Finding the Fourth Proportional to 287,801,732.49, 396,806,456.39 and 240,185,539.05

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Solution

The fourth proportional to 287,801,732.49, 396,806,456.39 and 240,185,539.05 is: 331,155,659.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,801,732.49 : 396,806,456.39 = 240,185,539.05 : x
  2. Step 2: Convert to fraction form
    287,801,732.49/396,806,456.39 = 240,185,539.05/x
  3. Step 3: Cross multiply
    287,801,732.49x = 396,806,456.39 × 240,185,539.05
  4. Step 4: Simplify right side
    287,801,732.49x = 95,307,172,625,351,536
  5. Step 5: Solve for x
    x = 95,307,172,625,351,536/287,801,732.49
  6. Step 6: Final answer
    x = 331,155,659.84

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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.