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Finding the Fourth Proportional to 13,366,646,568,009, 20,049,969,852,012 and 13,366,646,568,009

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Solution

The fourth proportional to 13,366,646,568,009, 20,049,969,852,012 and 13,366,646,568,009 is: 20,049,969,852,012

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366,646,568,009 : 20,049,969,852,012 = 13,366,646,568,009 : x
  2. Step 2: Convert to fraction form
    13,366,646,568,009/20,049,969,852,012 = 13,366,646,568,009/x
  3. Step 3: Cross multiply
    13,366,646,568,009x = 20,049,969,852,012 × 13,366,646,568,009
  4. Step 4: Simplify right side
    13,366,646,568,009x = 268,000,860,711,080,133,297,963,008
  5. Step 5: Solve for x
    x = 268,000,860,711,080,133,297,963,008/13,366,646,568,009
  6. Step 6: Final answer
    x = 20,049,969,852,012

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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.