Home / 757,375,008.30-1,136,062,512.45-349,228,320.30

Finding the Fourth Proportional to 757,375,008.30, 1,136,062,512.45 and 349,228,320.30

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Solution

The fourth proportional to 757,375,008.30, 1,136,062,512.45 and 349,228,320.30 is: 523,842,480.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,375,008.30 : 1,136,062,512.45 = 349,228,320.30 : x
  2. Step 2: Convert to fraction form
    757,375,008.30/1,136,062,512.45 = 349,228,320.30/x
  3. Step 3: Cross multiply
    757,375,008.30x = 1,136,062,512.45 × 349,228,320.30
  4. Step 4: Simplify right side
    757,375,008.30x = 396,745,202,978,711,360
  5. Step 5: Solve for x
    x = 396,745,202,978,711,360/757,375,008.30
  6. Step 6: Final answer
    x = 523,842,480.45

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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.