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Finding the Fourth Proportional to 15,732,791,992.80, 23,599,187,989.20 and 15,732,791,992.80

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Solution

The fourth proportional to 15,732,791,992.80, 23,599,187,989.20 and 15,732,791,992.80 is: 23,599,187,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,732,791,992.80 : 23,599,187,989.20 = 15,732,791,992.80 : x
  2. Step 2: Convert to fraction form
    15,732,791,992.80/23,599,187,989.20 = 15,732,791,992.80/x
  3. Step 3: Cross multiply
    15,732,791,992.80x = 23,599,187,989.20 × 15,732,791,992.80
  4. Step 4: Simplify right side
    15,732,791,992.80x = 371,281,115,833,067,700,224
  5. Step 5: Solve for x
    x = 371,281,115,833,067,700,224/15,732,791,992.80
  6. Step 6: Final answer
    x = 23,599,187,989.20

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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.