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Finding the Fourth Proportional to 10,865,060,857.20, 16,297,591,285.80 and 10,865,060,857.20

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Solution

The fourth proportional to 10,865,060,857.20, 16,297,591,285.80 and 10,865,060,857.20 is: 16,297,591,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,060,857.20 : 16,297,591,285.80 = 10,865,060,857.20 : x
  2. Step 2: Convert to fraction form
    10,865,060,857.20/16,297,591,285.80 = 10,865,060,857.20/x
  3. Step 3: Cross multiply
    10,865,060,857.20x = 16,297,591,285.80 × 10,865,060,857.20
  4. Step 4: Simplify right side
    10,865,060,857.20x = 177,074,321,145,989,398,528
  5. Step 5: Solve for x
    x = 177,074,321,145,989,398,528/10,865,060,857.20
  6. Step 6: Final answer
    x = 16,297,591,285.80

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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.