Home / 562,149,821,408.88-775,766,753,544.33-321,561,697,739.88

Finding the Fourth Proportional to 562,149,821,408.88, 775,766,753,544.33 and 321,561,697,739.88

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Solution

The fourth proportional to 562,149,821,408.88, 775,766,753,544.33 and 321,561,697,739.88 is: 443,755,142,881.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,149,821,408.88 : 775,766,753,544.33 = 321,561,697,739.88 : x
  2. Step 2: Convert to fraction form
    562,149,821,408.88/775,766,753,544.33 = 321,561,697,739.88/x
  3. Step 3: Cross multiply
    562,149,821,408.88x = 775,766,753,544.33 × 321,561,697,739.88
  4. Step 4: Simplify right side
    562,149,821,408.88x = 249,456,874,319,869,812,670,464
  5. Step 5: Solve for x
    x = 249,456,874,319,869,812,670,464/562,149,821,408.88
  6. Step 6: Final answer
    x = 443,755,142,881.08

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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.