Home / 562,149,821,404.68-775,766,753,538.76-321,561,697,735.68

Finding the Fourth Proportional to 562,149,821,404.68, 775,766,753,538.76 and 321,561,697,735.68

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Solution

The fourth proportional to 562,149,821,404.68, 775,766,753,538.76 and 321,561,697,735.68 is: 443,755,142,875.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,149,821,404.68 : 775,766,753,538.76 = 321,561,697,735.68 : x
  2. Step 2: Convert to fraction form
    562,149,821,404.68/775,766,753,538.76 = 321,561,697,735.68/x
  3. Step 3: Cross multiply
    562,149,821,404.68x = 775,766,753,538.76 × 321,561,697,735.68
  4. Step 4: Simplify right side
    562,149,821,404.68x = 249,456,874,314,820,508,188,672
  5. Step 5: Solve for x
    x = 249,456,874,314,820,508,188,672/562,149,821,404.68
  6. Step 6: Final answer
    x = 443,755,142,875.41

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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.