Home / 6,705,309,963.38-9,250,420,201.82-3,991,055,825.88

Finding the Fourth Proportional to 6,705,309,963.38, 9,250,420,201.82 and 3,991,055,825.88

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Solution

The fourth proportional to 6,705,309,963.38, 9,250,420,201.82 and 3,991,055,825.88 is: 5,505,926,443.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,705,309,963.38 : 9,250,420,201.82 = 3,991,055,825.88 : x
  2. Step 2: Convert to fraction form
    6,705,309,963.38/9,250,420,201.82 = 3,991,055,825.88/x
  3. Step 3: Cross multiply
    6,705,309,963.38x = 9,250,420,201.82 × 3,991,055,825.88
  4. Step 4: Simplify right side
    6,705,309,963.38x = 36,918,943,438,291,804,160
  5. Step 5: Solve for x
    x = 36,918,943,438,291,804,160/6,705,309,963.38
  6. Step 6: Final answer
    x = 5,505,926,443.36

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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.