Home / 1,262,413,204.45-1,741,979,321.08-697,821,813.97

Finding the Fourth Proportional to 1,262,413,204.45, 1,741,979,321.08 and 697,821,813.97

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Solution

The fourth proportional to 1,262,413,204.45, 1,741,979,321.08 and 697,821,813.97 is: 962,910,689.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,413,204.45 : 1,741,979,321.08 = 697,821,813.97 : x
  2. Step 2: Convert to fraction form
    1,262,413,204.45/1,741,979,321.08 = 697,821,813.97/x
  3. Step 3: Cross multiply
    1,262,413,204.45x = 1,741,979,321.08 × 697,821,813.97
  4. Step 4: Simplify right side
    1,262,413,204.45x = 1,215,591,169,734,274,560
  5. Step 5: Solve for x
    x = 1,215,591,169,734,274,560/1,262,413,204.45
  6. Step 6: Final answer
    x = 962,910,689.98

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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.