Home / 386,801,451.49-580,202,356.91-124,485,965.60

Finding the Fourth Proportional to 386,801,451.49, 580,202,356.91 and 124,485,965.60

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Solution

The fourth proportional to 386,801,451.49, 580,202,356.91 and 124,485,965.60 is: 186,729,006.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,801,451.49 : 580,202,356.91 = 124,485,965.60 : x
  2. Step 2: Convert to fraction form
    386,801,451.49/580,202,356.91 = 124,485,965.60/x
  3. Step 3: Cross multiply
    386,801,451.49x = 580,202,356.91 × 124,485,965.60
  4. Step 4: Simplify right side
    386,801,451.49x = 72,227,050,643,337,168
  5. Step 5: Solve for x
    x = 72,227,050,643,337,168/386,801,451.49
  6. Step 6: Final answer
    x = 186,729,006.23

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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.