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Finding the Fourth Proportional to 885,157,673, 1,327,718,280.16 and 294,990,763.30

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Solution

The fourth proportional to 885,157,673, 1,327,718,280.16 and 294,990,763.30 is: 442,480,069.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,157,673 : 1,327,718,280.16 = 294,990,763.30 : x
  2. Step 2: Convert to fraction form
    885,157,673/1,327,718,280.16 = 294,990,763.30/x
  3. Step 3: Cross multiply
    885,157,673x = 1,327,718,280.16 × 294,990,763.30
  4. Step 4: Simplify right side
    885,157,673x = 391,664,628,911,761,664
  5. Step 5: Solve for x
    x = 391,664,628,911,761,664/885,157,673
  6. Step 6: Final answer
    x = 442,480,069.78

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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.