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Finding the Fourth Proportional to 10,236,280,471.20, 15,354,420,706.80 and 10,236,280,471.20

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Solution

The fourth proportional to 10,236,280,471.20, 15,354,420,706.80 and 10,236,280,471.20 is: 15,354,420,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236,280,471.20 : 15,354,420,706.80 = 10,236,280,471.20 : x
  2. Step 2: Convert to fraction form
    10,236,280,471.20/15,354,420,706.80 = 10,236,280,471.20/x
  3. Step 3: Cross multiply
    10,236,280,471.20x = 15,354,420,706.80 × 10,236,280,471.20
  4. Step 4: Simplify right side
    10,236,280,471.20x = 157,172,156,827,605,729,280
  5. Step 5: Solve for x
    x = 157,172,156,827,605,729,280/10,236,280,471.20
  6. Step 6: Final answer
    x = 15,354,420,706.80

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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.