Home / 386,801,449.49-580,202,353.91-124,485,963.60

Finding the Fourth Proportional to 386,801,449.49, 580,202,353.91 and 124,485,963.60

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Solution

The fourth proportional to 386,801,449.49, 580,202,353.91 and 124,485,963.60 is: 186,729,003.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,801,449.49 : 580,202,353.91 = 124,485,963.60 : x
  2. Step 2: Convert to fraction form
    386,801,449.49/580,202,353.91 = 124,485,963.60/x
  3. Step 3: Cross multiply
    386,801,449.49x = 580,202,353.91 × 124,485,963.60
  4. Step 4: Simplify right side
    386,801,449.49x = 72,227,049,109,474,576
  5. Step 5: Solve for x
    x = 72,227,049,109,474,576/386,801,449.49
  6. Step 6: Final answer
    x = 186,729,003.23

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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.