Home / 1,324,976,731.20-1,987,559,575.20-404,851,593.60

Finding the Fourth Proportional to 1,324,976,731.20, 1,987,559,575.20 and 404,851,593.60

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Solution

The fourth proportional to 1,324,976,731.20, 1,987,559,575.20 and 404,851,593.60 is: 607,306,258.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,976,731.20 : 1,987,559,575.20 = 404,851,593.60 : x
  2. Step 2: Convert to fraction form
    1,324,976,731.20/1,987,559,575.20 = 404,851,593.60/x
  3. Step 3: Cross multiply
    1,324,976,731.20x = 1,987,559,575.20 × 404,851,593.60
  4. Step 4: Simplify right side
    1,324,976,731.20x = 804,666,661,394,659,072
  5. Step 5: Solve for x
    x = 804,666,661,394,659,072/1,324,976,731.20
  6. Step 6: Final answer
    x = 607,306,258.63

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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.