Home / 562,149,821,410.90-775,766,753,547.15-321,561,697,741.88

Finding the Fourth Proportional to 562,149,821,410.90, 775,766,753,547.15 and 321,561,697,741.88

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Solution

The fourth proportional to 562,149,821,410.90, 775,766,753,547.15 and 321,561,697,741.88 is: 443,755,142,883.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,149,821,410.90 : 775,766,753,547.15 = 321,561,697,741.88 : x
  2. Step 2: Convert to fraction form
    562,149,821,410.90/775,766,753,547.15 = 321,561,697,741.88/x
  3. Step 3: Cross multiply
    562,149,821,410.90x = 775,766,753,547.15 × 321,561,697,741.88
  4. Step 4: Simplify right side
    562,149,821,410.90x = 249,456,874,322,328,178,130,944
  5. Step 5: Solve for x
    x = 249,456,874,322,328,178,130,944/562,149,821,410.90
  6. Step 6: Final answer
    x = 443,755,142,883.86

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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.