Home / 291,381,770,406.55-402,079,858,328.86-161,167,822,439.48

Finding the Fourth Proportional to 291,381,770,406.55, 402,079,858,328.86 and 161,167,822,439.48

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Solution

The fourth proportional to 291,381,770,406.55, 402,079,858,328.86 and 161,167,822,439.48 is: 222,396,669,233.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,381,770,406.55 : 402,079,858,328.86 = 161,167,822,439.48 : x
  2. Step 2: Convert to fraction form
    291,381,770,406.55/402,079,858,328.86 = 161,167,822,439.48/x
  3. Step 3: Cross multiply
    291,381,770,406.55x = 402,079,858,328.86 × 161,167,822,439.48
  4. Step 4: Simplify right side
    291,381,770,406.55x = 64,802,335,213,636,982,669,312
  5. Step 5: Solve for x
    x = 64,802,335,213,636,982,669,312/291,381,770,406.55
  6. Step 6: Final answer
    x = 222,396,669,233.02

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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.