Home / 868,695,040,980.10-1,198,799,352,229.90-478,061,604,745.84

Finding the Fourth Proportional to 868,695,040,980.10, 1,198,799,352,229.90 and 478,061,604,745.84

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Solution

The fourth proportional to 868,695,040,980.10, 1,198,799,352,229.90 and 478,061,604,745.84 is: 659,725,122,234.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,695,040,980.10 : 1,198,799,352,229.90 = 478,061,604,745.84 : x
  2. Step 2: Convert to fraction form
    868,695,040,980.10/1,198,799,352,229.90 = 478,061,604,745.84/x
  3. Step 3: Cross multiply
    868,695,040,980.10x = 1,198,799,352,229.90 × 478,061,604,745.84
  4. Step 4: Simplify right side
    868,695,040,980.10x = 573,099,942,095,299,448,668,160
  5. Step 5: Solve for x
    x = 573,099,942,095,299,448,668,160/868,695,040,980.10
  6. Step 6: Final answer
    x = 659,725,122,234.73

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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.