Home / 291,381,770,405.55-402,079,858,327.48-161,167,822,438.48

Finding the Fourth Proportional to 291,381,770,405.55, 402,079,858,327.48 and 161,167,822,438.48

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Solution

The fourth proportional to 291,381,770,405.55, 402,079,858,327.48 and 161,167,822,438.48 is: 222,396,669,231.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,381,770,405.55 : 402,079,858,327.48 = 161,167,822,438.48 : x
  2. Step 2: Convert to fraction form
    291,381,770,405.55/402,079,858,327.48 = 161,167,822,438.48/x
  3. Step 3: Cross multiply
    291,381,770,405.55x = 402,079,858,327.48 × 161,167,822,438.48
  4. Step 4: Simplify right side
    291,381,770,405.55x = 64,802,335,213,012,492,746,752
  5. Step 5: Solve for x
    x = 64,802,335,213,012,492,746,752/291,381,770,405.55
  6. Step 6: Final answer
    x = 222,396,669,231.64

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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.