Home / 960,337,199.61-1,324,859,523.62-642,899,711.88

Finding the Fourth Proportional to 960,337,199.61, 1,324,859,523.62 and 642,899,711.88

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Solution

The fourth proportional to 960,337,199.61, 1,324,859,523.62 and 642,899,711.88 is: 886,929,930.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,337,199.61 : 1,324,859,523.62 = 642,899,711.88 : x
  2. Step 2: Convert to fraction form
    960,337,199.61/1,324,859,523.62 = 642,899,711.88/x
  3. Step 3: Cross multiply
    960,337,199.61x = 1,324,859,523.62 × 642,899,711.88
  4. Step 4: Simplify right side
    960,337,199.61x = 851,751,806,013,557,504
  5. Step 5: Solve for x
    x = 851,751,806,013,557,504/960,337,199.61
  6. Step 6: Final answer
    x = 886,929,930.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.