Home / 1,448,205,758.28-1,998,734,538.78-813,197,536.20

Finding the Fourth Proportional to 1,448,205,758.28, 1,998,734,538.78 and 813,197,536.20

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Solution

The fourth proportional to 1,448,205,758.28, 1,998,734,538.78 and 813,197,536.20 is: 1,122,330,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,205,758.28 : 1,998,734,538.78 = 813,197,536.20 : x
  2. Step 2: Convert to fraction form
    1,448,205,758.28/1,998,734,538.78 = 813,197,536.20/x
  3. Step 3: Cross multiply
    1,448,205,758.28x = 1,998,734,538.78 × 813,197,536.20
  4. Step 4: Simplify right side
    1,448,205,758.28x = 1,625,366,002,453,739,520
  5. Step 5: Solve for x
    x = 1,625,366,002,453,739,520/1,448,205,758.28
  6. Step 6: Final answer
    x = 1,122,330,851.93

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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.