Home / 562,149,821,385.57-775,766,753,512.03-321,561,697,716.57

Finding the Fourth Proportional to 562,149,821,385.57, 775,766,753,512.03 and 321,561,697,716.57

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Solution

The fourth proportional to 562,149,821,385.57, 775,766,753,512.03 and 321,561,697,716.57 is: 443,755,142,848.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,149,821,385.57 : 775,766,753,512.03 = 321,561,697,716.57 : x
  2. Step 2: Convert to fraction form
    562,149,821,385.57/775,766,753,512.03 = 321,561,697,716.57/x
  3. Step 3: Cross multiply
    562,149,821,385.57x = 775,766,753,512.03 × 321,561,697,716.57
  4. Step 4: Simplify right side
    562,149,821,385.57x = 249,456,874,291,400,286,404,608
  5. Step 5: Solve for x
    x = 249,456,874,291,400,286,404,608/562,149,821,385.57
  6. Step 6: Final answer
    x = 443,755,142,848.83

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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.