Home / 1,273,192,115.82-1,757,005,200.85-708,664,844.73

Finding the Fourth Proportional to 1,273,192,115.82, 1,757,005,200.85 and 708,664,844.73

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Solution

The fourth proportional to 1,273,192,115.82, 1,757,005,200.85 and 708,664,844.73 is: 977,957,530.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,192,115.82 : 1,757,005,200.85 = 708,664,844.73 : x
  2. Step 2: Convert to fraction form
    1,273,192,115.82/1,757,005,200.85 = 708,664,844.73/x
  3. Step 3: Cross multiply
    1,273,192,115.82x = 1,757,005,200.85 × 708,664,844.73
  4. Step 4: Simplify right side
    1,273,192,115.82x = 1,245,127,817,842,901,760
  5. Step 5: Solve for x
    x = 1,245,127,817,842,901,760/1,273,192,115.82
  6. Step 6: Final answer
    x = 977,957,530.82

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Double scale
Find fourth proportional to 1,273,192,116.82, 1,757,005,202.23 and 708,664,845.73
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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.