Home / 424,220,820.82-635,918,540.07-202,834,629.88

Finding the Fourth Proportional to 424,220,820.82, 635,918,540.07 and 202,834,629.88

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Solution

The fourth proportional to 424,220,820.82, 635,918,540.07 and 202,834,629.88 is: 304,054,622.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,220,820.82 : 635,918,540.07 = 202,834,629.88 : x
  2. Step 2: Convert to fraction form
    424,220,820.82/635,918,540.07 = 202,834,629.88/x
  3. Step 3: Cross multiply
    424,220,820.82x = 635,918,540.07 × 202,834,629.88
  4. Step 4: Simplify right side
    424,220,820.82x = 128,986,301,708,928,400
  5. Step 5: Solve for x
    x = 128,986,301,708,928,400/424,220,820.82
  6. Step 6: Final answer
    x = 304,054,622.92

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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.