Home / 647,694,575.55-971,541,863.33-372,195,561.15

Finding the Fourth Proportional to 647,694,575.55, 971,541,863.33 and 372,195,561.15

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Solution

The fourth proportional to 647,694,575.55, 971,541,863.33 and 372,195,561.15 is: 558,293,341.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,694,575.55 : 971,541,863.33 = 372,195,561.15 : x
  2. Step 2: Convert to fraction form
    647,694,575.55/971,541,863.33 = 372,195,561.15/x
  3. Step 3: Cross multiply
    647,694,575.55x = 971,541,863.33 × 372,195,561.15
  4. Step 4: Simplify right side
    647,694,575.55x = 361,603,569,000,964,992
  5. Step 5: Solve for x
    x = 361,603,569,000,964,992/647,694,575.55
  6. Step 6: Final answer
    x = 558,293,341.73

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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.