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Finding the Fourth Proportional to 15,877,687,350.80, 23,816,531,026.20 and 15,877,687,350.80

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Solution

The fourth proportional to 15,877,687,350.80, 23,816,531,026.20 and 15,877,687,350.80 is: 23,816,531,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,877,687,350.80 : 23,816,531,026.20 = 15,877,687,350.80 : x
  2. Step 2: Convert to fraction form
    15,877,687,350.80/23,816,531,026.20 = 15,877,687,350.80/x
  3. Step 3: Cross multiply
    15,877,687,350.80x = 23,816,531,026.20 × 15,877,687,350.80
  4. Step 4: Simplify right side
    15,877,687,350.80x = 378,151,433,414,631,489,536
  5. Step 5: Solve for x
    x = 378,151,433,414,631,489,536/15,877,687,350.80
  6. Step 6: Final answer
    x = 23,816,531,026.20

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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.