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Finding the Fourth Proportional to 15,687,529,972.20, 23,531,294,958.30 and 15,687,529,972.20

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Solution

The fourth proportional to 15,687,529,972.20, 23,531,294,958.30 and 15,687,529,972.20 is: 23,531,294,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,687,529,972.20 : 23,531,294,958.30 = 15,687,529,972.20 : x
  2. Step 2: Convert to fraction form
    15,687,529,972.20/23,531,294,958.30 = 15,687,529,972.20/x
  3. Step 3: Cross multiply
    15,687,529,972.20x = 23,531,294,958.30 × 15,687,529,972.20
  4. Step 4: Simplify right side
    15,687,529,972.20x = 369,147,894,943,009,996,800
  5. Step 5: Solve for x
    x = 369,147,894,943,009,996,800/15,687,529,972.20
  6. Step 6: Final answer
    x = 23,531,294,958.30

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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.