Home / 386,801,450.49-580,202,355.41-124,485,964.60

Finding the Fourth Proportional to 386,801,450.49, 580,202,355.41 and 124,485,964.60

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Solution

The fourth proportional to 386,801,450.49, 580,202,355.41 and 124,485,964.60 is: 186,729,004.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,801,450.49 : 580,202,355.41 = 124,485,964.60 : x
  2. Step 2: Convert to fraction form
    386,801,450.49/580,202,355.41 = 124,485,964.60/x
  3. Step 3: Cross multiply
    386,801,450.49x = 580,202,355.41 × 124,485,964.60
  4. Step 4: Simplify right side
    386,801,450.49x = 72,227,049,876,405,872
  5. Step 5: Solve for x
    x = 72,227,049,876,405,872/386,801,450.49
  6. Step 6: Final answer
    x = 186,729,004.73

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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.