Home / 291,381,770,404.55-402,079,858,326.10-161,167,822,437.48

Finding the Fourth Proportional to 291,381,770,404.55, 402,079,858,326.10 and 161,167,822,437.48

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Solution

The fourth proportional to 291,381,770,404.55, 402,079,858,326.10 and 161,167,822,437.48 is: 222,396,669,230.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,381,770,404.55 : 402,079,858,326.10 = 161,167,822,437.48 : x
  2. Step 2: Convert to fraction form
    291,381,770,404.55/402,079,858,326.10 = 161,167,822,437.48/x
  3. Step 3: Cross multiply
    291,381,770,404.55x = 402,079,858,326.10 × 161,167,822,437.48
  4. Step 4: Simplify right side
    291,381,770,404.55x = 64,802,335,212,388,002,824,192
  5. Step 5: Solve for x
    x = 64,802,335,212,388,002,824,192/291,381,770,404.55
  6. Step 6: Final answer
    x = 222,396,669,230.26

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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.