Home / 1,262,413,195.96-1,741,979,309.36-697,821,805.48

Finding the Fourth Proportional to 1,262,413,195.96, 1,741,979,309.36 and 697,821,805.48

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Solution

The fourth proportional to 1,262,413,195.96, 1,741,979,309.36 and 697,821,805.48 is: 962,910,678.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,413,195.96 : 1,741,979,309.36 = 697,821,805.48 : x
  2. Step 2: Convert to fraction form
    1,262,413,195.96/1,741,979,309.36 = 697,821,805.48/x
  3. Step 3: Cross multiply
    1,262,413,195.96x = 1,741,979,309.36 × 697,821,805.48
  4. Step 4: Simplify right side
    1,262,413,195.96x = 1,215,591,146,766,398,720
  5. Step 5: Solve for x
    x = 1,215,591,146,766,398,720/1,262,413,195.96
  6. Step 6: Final answer
    x = 962,910,678.26

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Double scale
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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.