Home / 562,149,821,398.68-775,766,753,530.50-321,561,697,729.68

Finding the Fourth Proportional to 562,149,821,398.68, 775,766,753,530.50 and 321,561,697,729.68

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Solution

The fourth proportional to 562,149,821,398.68, 775,766,753,530.50 and 321,561,697,729.68 is: 443,755,142,867.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,149,821,398.68 : 775,766,753,530.50 = 321,561,697,729.68 : x
  2. Step 2: Convert to fraction form
    562,149,821,398.68/775,766,753,530.50 = 321,561,697,729.68/x
  3. Step 3: Cross multiply
    562,149,821,398.68x = 775,766,753,530.50 × 321,561,697,729.68
  4. Step 4: Simplify right side
    562,149,821,398.68x = 249,456,874,307,509,802,762,240
  5. Step 5: Solve for x
    x = 249,456,874,307,509,802,762,240/562,149,821,398.68
  6. Step 6: Final answer
    x = 443,755,142,867.14

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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.