Home / 874,375,735.20-1,312,067,487.60-329,508,304.80

Finding the Fourth Proportional to 874,375,735.20, 1,312,067,487.60 and 329,508,304.80

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Solution

The fourth proportional to 874,375,735.20, 1,312,067,487.60 and 329,508,304.80 is: 494,452,346.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,375,735.20 : 1,312,067,487.60 = 329,508,304.80 : x
  2. Step 2: Convert to fraction form
    874,375,735.20/1,312,067,487.60 = 329,508,304.80/x
  3. Step 3: Cross multiply
    874,375,735.20x = 1,312,067,487.60 × 329,508,304.80
  4. Step 4: Simplify right side
    874,375,735.20x = 432,337,133,622,270,976
  5. Step 5: Solve for x
    x = 432,337,133,622,270,976/874,375,735.20
  6. Step 6: Final answer
    x = 494,452,346.08

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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.