Home / 326,082,942.70-489,124,414.05-222,770,812.30

Finding the Fourth Proportional to 326,082,942.70, 489,124,414.05 and 222,770,812.30

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Solution

The fourth proportional to 326,082,942.70, 489,124,414.05 and 222,770,812.30 is: 334,156,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,082,942.70 : 489,124,414.05 = 222,770,812.30 : x
  2. Step 2: Convert to fraction form
    326,082,942.70/489,124,414.05 = 222,770,812.30/x
  3. Step 3: Cross multiply
    326,082,942.70x = 489,124,414.05 × 222,770,812.30
  4. Step 4: Simplify right side
    326,082,942.70x = 108,962,643,033,680,048
  5. Step 5: Solve for x
    x = 108,962,643,033,680,048/326,082,942.70
  6. Step 6: Final answer
    x = 334,156,218.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.