Home / 13,622,356,829,079-18,798,969,637,862-7,769,760,405,142.40

Finding the Fourth Proportional to 13,622,356,829,079, 18,798,969,637,862 and 7,769,760,405,142.40

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Solution

The fourth proportional to 13,622,356,829,079, 18,798,969,637,862 and 7,769,760,405,142.40 is: 10,722,336,214,093.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622,356,829,079 : 18,798,969,637,862 = 7,769,760,405,142.40 : x
  2. Step 2: Convert to fraction form
    13,622,356,829,079/18,798,969,637,862 = 7,769,760,405,142.40/x
  3. Step 3: Cross multiply
    13,622,356,829,079x = 18,798,969,637,862 × 7,769,760,405,142.40
  4. Step 4: Simplify right side
    13,622,356,829,079x = 146,063,489,949,734,339,864,428,544
  5. Step 5: Solve for x
    x = 146,063,489,949,734,339,864,428,544/13,622,356,829,079
  6. Step 6: Final answer
    x = 10,722,336,214,093.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.