Home / 825,948,223.38-1,238,469,496.86-327,453,742.26

Finding the Fourth Proportional to 825,948,223.38, 1,238,469,496.86 and 327,453,742.26

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Solution

The fourth proportional to 825,948,223.38, 1,238,469,496.86 and 327,453,742.26 is: 491,001,082.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,948,223.38 : 1,238,469,496.86 = 327,453,742.26 : x
  2. Step 2: Convert to fraction form
    825,948,223.38/1,238,469,496.86 = 327,453,742.26/x
  3. Step 3: Cross multiply
    825,948,223.38x = 1,238,469,496.86 × 327,453,742.26
  4. Step 4: Simplify right side
    825,948,223.38x = 405,541,471,421,666,304
  5. Step 5: Solve for x
    x = 405,541,471,421,666,304/825,948,223.38
  6. Step 6: Final answer
    x = 491,001,082.08

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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.