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Finding the Fourth Proportional to 880,593,962.20, 1,320,890,943.30 and 225,543,722.20

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Solution

The fourth proportional to 880,593,962.20, 1,320,890,943.30 and 225,543,722.20 is: 338,315,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,593,962.20 : 1,320,890,943.30 = 225,543,722.20 : x
  2. Step 2: Convert to fraction form
    880,593,962.20/1,320,890,943.30 = 225,543,722.20/x
  3. Step 3: Cross multiply
    880,593,962.20x = 1,320,890,943.30 × 225,543,722.20
  4. Step 4: Simplify right side
    880,593,962.20x = 297,918,659,972,151,104
  5. Step 5: Solve for x
    x = 297,918,659,972,151,104/880,593,962.20
  6. Step 6: Final answer
    x = 338,315,583.30

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1.5x scale

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.