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Finding the Fourth Proportional to 1,282,356,593.22, 1,769,655,505.34 and 695,645,729.22

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Solution

The fourth proportional to 1,282,356,593.22, 1,769,655,505.34 and 695,645,729.22 is: 959,992,954.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,356,593.22 : 1,769,655,505.34 = 695,645,729.22 : x
  2. Step 2: Convert to fraction form
    1,282,356,593.22/1,769,655,505.34 = 695,645,729.22/x
  3. Step 3: Cross multiply
    1,282,356,593.22x = 1,769,655,505.34 × 695,645,729.22
  4. Step 4: Simplify right side
    1,282,356,593.22x = 1,231,053,294,480,431,872
  5. Step 5: Solve for x
    x = 1,231,053,294,480,431,872/1,282,356,593.22
  6. Step 6: Final answer
    x = 959,992,954.37

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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.