Home / 1,262,413,206.45-1,741,979,323.83-697,821,815.97

Finding the Fourth Proportional to 1,262,413,206.45, 1,741,979,323.83 and 697,821,815.97

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Solution

The fourth proportional to 1,262,413,206.45, 1,741,979,323.83 and 697,821,815.97 is: 962,910,692.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,413,206.45 : 1,741,979,323.83 = 697,821,815.97 : x
  2. Step 2: Convert to fraction form
    1,262,413,206.45/1,741,979,323.83 = 697,821,815.97/x
  3. Step 3: Cross multiply
    1,262,413,206.45x = 1,741,979,323.83 × 697,821,815.97
  4. Step 4: Simplify right side
    1,262,413,206.45x = 1,215,591,175,137,243,392
  5. Step 5: Solve for x
    x = 1,215,591,175,137,243,392/1,262,413,206.45
  6. Step 6: Final answer
    x = 962,910,692.73

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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.