Home / 1,002,087,891.12-1,502,640,067.76-411,771,189.04

Finding the Fourth Proportional to 1,002,087,891.12, 1,502,640,067.76 and 411,771,189.04

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Solution

The fourth proportional to 1,002,087,891.12, 1,502,640,067.76 and 411,771,189.04 is: 617,454,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,087,891.12 : 1,502,640,067.76 = 411,771,189.04 : x
  2. Step 2: Convert to fraction form
    1,002,087,891.12/1,502,640,067.76 = 411,771,189.04/x
  3. Step 3: Cross multiply
    1,002,087,891.12x = 1,502,640,067.76 × 411,771,189.04
  4. Step 4: Simplify right side
    1,002,087,891.12x = 618,743,887,400,681,344
  5. Step 5: Solve for x
    x = 618,743,887,400,681,344/1,002,087,891.12
  6. Step 6: Final answer
    x = 617,454,709.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.