Home / 491,291,309.52-737,192,010.60-200,371,865.04

Finding the Fourth Proportional to 491,291,309.52, 737,192,010.60 and 200,371,865.04

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Solution

The fourth proportional to 491,291,309.52, 737,192,010.60 and 200,371,865.04 is: 300,661,817.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,291,309.52 : 737,192,010.60 = 200,371,865.04 : x
  2. Step 2: Convert to fraction form
    491,291,309.52/737,192,010.60 = 200,371,865.04/x
  3. Step 3: Cross multiply
    491,291,309.52x = 737,192,010.60 × 200,371,865.04
  4. Step 4: Simplify right side
    491,291,309.52x = 147,712,538,056,509,440
  5. Step 5: Solve for x
    x = 147,712,538,056,509,440/491,291,309.52
  6. Step 6: Final answer
    x = 300,661,817.53

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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.