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Finding the Fourth Proportional to 12,752,414,496,741, 19,128,621,745,112 and 12,752,414,496,741

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Solution

The fourth proportional to 12,752,414,496,741, 19,128,621,745,112 and 12,752,414,496,741 is: 19,128,621,745,112

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752,414,496,741 : 19,128,621,745,112 = 12,752,414,496,741 : x
  2. Step 2: Convert to fraction form
    12,752,414,496,741/19,128,621,745,112 = 12,752,414,496,741/x
  3. Step 3: Cross multiply
    12,752,414,496,741x = 19,128,621,745,112 × 12,752,414,496,741
  4. Step 4: Simplify right side
    12,752,414,496,741x = 243,936,113,245,041,410,445,410,304
  5. Step 5: Solve for x
    x = 243,936,113,245,041,410,445,410,304/12,752,414,496,741
  6. Step 6: Final answer
    x = 19,128,621,745,112

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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.