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Finding the Fourth Proportional to 21,560,259,700.80, 32,340,389,551.20 and 21,560,259,700.80

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Solution

The fourth proportional to 21,560,259,700.80, 32,340,389,551.20 and 21,560,259,700.80 is: 32,340,389,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,560,259,700.80 : 32,340,389,551.20 = 21,560,259,700.80 : x
  2. Step 2: Convert to fraction form
    21,560,259,700.80/32,340,389,551.20 = 21,560,259,700.80/x
  3. Step 3: Cross multiply
    21,560,259,700.80x = 32,340,389,551.20 × 21,560,259,700.80
  4. Step 4: Simplify right side
    21,560,259,700.80x = 697,267,197,548,910,739,456
  5. Step 5: Solve for x
    x = 697,267,197,548,910,739,456/21,560,259,700.80
  6. Step 6: Final answer
    x = 32,340,389,551.20

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Double scale
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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.