Home / 815,976,799.28-1,126,015,118.52-444,690,839.60

Finding the Fourth Proportional to 815,976,799.28, 1,126,015,118.52 and 444,690,839.60

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Solution

The fourth proportional to 815,976,799.28, 1,126,015,118.52 and 444,690,839.60 is: 613,655,448.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,976,799.28 : 1,126,015,118.52 = 444,690,839.60 : x
  2. Step 2: Convert to fraction form
    815,976,799.28/1,126,015,118.52 = 444,690,839.60/x
  3. Step 3: Cross multiply
    815,976,799.28x = 1,126,015,118.52 × 444,690,839.60
  4. Step 4: Simplify right side
    815,976,799.28x = 500,728,608,456,952,320
  5. Step 5: Solve for x
    x = 500,728,608,456,952,320/815,976,799.28
  6. Step 6: Final answer
    x = 613,655,448.17

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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.