Home / 874,375,687.20-1,312,067,415.60-329,508,256.80

Finding the Fourth Proportional to 874,375,687.20, 1,312,067,415.60 and 329,508,256.80

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Solution

The fourth proportional to 874,375,687.20, 1,312,067,415.60 and 329,508,256.80 is: 494,452,274.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,375,687.20 : 1,312,067,415.60 = 329,508,256.80 : x
  2. Step 2: Convert to fraction form
    874,375,687.20/1,312,067,415.60 = 329,508,256.80/x
  3. Step 3: Cross multiply
    874,375,687.20x = 1,312,067,415.60 × 329,508,256.80
  4. Step 4: Simplify right side
    874,375,687.20x = 432,337,046,918,437,120
  5. Step 5: Solve for x
    x = 432,337,046,918,437,120/874,375,687.20
  6. Step 6: Final answer
    x = 494,452,274.06

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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.