Home / 1,248,376,057.05-1,722,758,927.10-691,494,976.29

Finding the Fourth Proportional to 1,248,376,057.05, 1,722,758,927.10 and 691,494,976.29

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Solution

The fourth proportional to 1,248,376,057.05, 1,722,758,927.10 and 691,494,976.29 is: 954,263,049.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,376,057.05 : 1,722,758,927.10 = 691,494,976.29 : x
  2. Step 2: Convert to fraction form
    1,248,376,057.05/1,722,758,927.10 = 691,494,976.29/x
  3. Step 3: Cross multiply
    1,248,376,057.05x = 1,722,758,927.10 × 691,494,976.29
  4. Step 4: Simplify right side
    1,248,376,057.05x = 1,191,279,143,448,400,128
  5. Step 5: Solve for x
    x = 1,191,279,143,448,400,128/1,248,376,057.05
  6. Step 6: Final answer
    x = 954,263,049.76

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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.