Home / 291,381,770,416.55-402,079,858,342.58-161,167,822,449.42

Finding the Fourth Proportional to 291,381,770,416.55, 402,079,858,342.58 and 161,167,822,449.42

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Solution

The fourth proportional to 291,381,770,416.55, 402,079,858,342.58 and 161,167,822,449.42 is: 222,396,669,246.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,381,770,416.55 : 402,079,858,342.58 = 161,167,822,449.42 : x
  2. Step 2: Convert to fraction form
    291,381,770,416.55/402,079,858,342.58 = 161,167,822,449.42/x
  3. Step 3: Cross multiply
    291,381,770,416.55x = 402,079,858,342.58 × 161,167,822,449.42
  4. Step 4: Simplify right side
    291,381,770,416.55x = 64,802,335,219,844,888,133,632
  5. Step 5: Solve for x
    x = 64,802,335,219,844,888,133,632/291,381,770,416.55
  6. Step 6: Final answer
    x = 222,396,669,246.69

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1.5x scale

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.