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Finding the Fourth Proportional to 885,157,671, 1,327,718,277.16 and 294,990,761.30

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Solution

The fourth proportional to 885,157,671, 1,327,718,277.16 and 294,990,761.30 is: 442,480,066.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,157,671 : 1,327,718,277.16 = 294,990,761.30 : x
  2. Step 2: Convert to fraction form
    885,157,671/1,327,718,277.16 = 294,990,761.30/x
  3. Step 3: Cross multiply
    885,157,671x = 1,327,718,277.16 × 294,990,761.30
  4. Step 4: Simplify right side
    885,157,671x = 391,664,625,371,352,832
  5. Step 5: Solve for x
    x = 391,664,625,371,352,832/885,157,671
  6. Step 6: Final answer
    x = 442,480,066.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.