Home / 1,177,739,396.78-1,625,344,282.89-675,944,168.64

Finding the Fourth Proportional to 1,177,739,396.78, 1,625,344,282.89 and 675,944,168.64

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Solution

The fourth proportional to 1,177,739,396.78, 1,625,344,282.89 and 675,944,168.64 is: 932,839,635.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,739,396.78 : 1,625,344,282.89 = 675,944,168.64 : x
  2. Step 2: Convert to fraction form
    1,177,739,396.78/1,625,344,282.89 = 675,944,168.64/x
  3. Step 3: Cross multiply
    1,177,739,396.78x = 1,625,344,282.89 × 675,944,168.64
  4. Step 4: Simplify right side
    1,177,739,396.78x = 1,098,641,990,051,858,048
  5. Step 5: Solve for x
    x = 1,098,641,990,051,858,048/1,177,739,396.78
  6. Step 6: Final answer
    x = 932,839,635.88

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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.