Home / 1,203,391,738.38-1,660,069,418.16-785,948,375.82

Finding the Fourth Proportional to 1,203,391,738.38, 1,660,069,418.16 and 785,948,375.82

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Solution

The fourth proportional to 1,203,391,738.38, 1,660,069,418.16 and 785,948,375.82 is: 1,084,209,589.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,391,738.38 : 1,660,069,418.16 = 785,948,375.82 : x
  2. Step 2: Convert to fraction form
    1,203,391,738.38/1,660,069,418.16 = 785,948,375.82/x
  3. Step 3: Cross multiply
    1,203,391,738.38x = 1,660,069,418.16 × 785,948,375.82
  4. Step 4: Simplify right side
    1,203,391,738.38x = 1,304,728,862,951,304,448
  5. Step 5: Solve for x
    x = 1,304,728,862,951,304,448/1,203,391,738.38
  6. Step 6: Final answer
    x = 1,084,209,589.73

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Double scale
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1.5x scale

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.