Home / 562,149,821,404.70-775,766,753,538.75-321,561,697,735.68

Finding the Fourth Proportional to 562,149,821,404.70, 775,766,753,538.75 and 321,561,697,735.68

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Solution

The fourth proportional to 562,149,821,404.70, 775,766,753,538.75 and 321,561,697,735.68 is: 443,755,142,875.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,149,821,404.70 : 775,766,753,538.75 = 321,561,697,735.68 : x
  2. Step 2: Convert to fraction form
    562,149,821,404.70/775,766,753,538.75 = 321,561,697,735.68/x
  3. Step 3: Cross multiply
    562,149,821,404.70x = 775,766,753,538.75 × 321,561,697,735.68
  4. Step 4: Simplify right side
    562,149,821,404.70x = 249,456,874,314,817,286,963,200
  5. Step 5: Solve for x
    x = 249,456,874,314,817,286,963,200/562,149,821,404.70
  6. Step 6: Final answer
    x = 443,755,142,875.39

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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.