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Finding the Fourth Proportional to 12,752,414,497,699, 19,128,621,746,549 and 12,752,414,497,699

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Solution

The fourth proportional to 12,752,414,497,699, 19,128,621,746,549 and 12,752,414,497,699 is: 19,128,621,746,549

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752,414,497,699 : 19,128,621,746,549 = 12,752,414,497,699 : x
  2. Step 2: Convert to fraction form
    12,752,414,497,699/19,128,621,746,549 = 12,752,414,497,699/x
  3. Step 3: Cross multiply
    12,752,414,497,699x = 19,128,621,746,549 × 12,752,414,497,699
  4. Step 4: Simplify right side
    12,752,414,497,699x = 243,936,113,281,691,843,850,928,128
  5. Step 5: Solve for x
    x = 243,936,113,281,691,843,850,928,128/12,752,414,497,699
  6. Step 6: Final answer
    x = 19,128,621,746,549

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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.