Home / 291,381,770,402.50-402,079,858,323.26-161,167,822,435.42

Finding the Fourth Proportional to 291,381,770,402.50, 402,079,858,323.26 and 161,167,822,435.42

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Solution

The fourth proportional to 291,381,770,402.50, 402,079,858,323.26 and 161,167,822,435.42 is: 222,396,669,227.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,381,770,402.50 : 402,079,858,323.26 = 161,167,822,435.42 : x
  2. Step 2: Convert to fraction form
    291,381,770,402.50/402,079,858,323.26 = 161,167,822,435.42/x
  3. Step 3: Cross multiply
    291,381,770,402.50x = 402,079,858,323.26 × 161,167,822,435.42
  4. Step 4: Simplify right side
    291,381,770,402.50x = 64,802,335,211,102,004,051,968
  5. Step 5: Solve for x
    x = 64,802,335,211,102,004,051,968/291,381,770,402.50
  6. Step 6: Final answer
    x = 222,396,669,227.41

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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.