Home / 1,236,750,917.31-1,707,538,107.38-950,131,963.17

Finding the Fourth Proportional to 1,236,750,917.31, 1,707,538,107.38 and 950,131,963.17

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Solution

The fourth proportional to 1,236,750,917.31, 1,707,538,107.38 and 950,131,963.17 is: 1,311,813,487.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,750,917.31 : 1,707,538,107.38 = 950,131,963.17 : x
  2. Step 2: Convert to fraction form
    1,236,750,917.31/1,707,538,107.38 = 950,131,963.17/x
  3. Step 3: Cross multiply
    1,236,750,917.31x = 1,707,538,107.38 × 950,131,963.17
  4. Step 4: Simplify right side
    1,236,750,917.31x = 1,622,386,534,147,794,944
  5. Step 5: Solve for x
    x = 1,622,386,534,147,794,944/1,236,750,917.31
  6. Step 6: Final answer
    x = 1,311,813,487.62

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Double scale
Find fourth proportional to 1,236,750,918.31, 1,707,538,108.76 and 950,131,964.17
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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.