Home / 274,617,485.60-378,611,514.92-198,171,593.29

Finding the Fourth Proportional to 274,617,485.60, 378,611,514.92 and 198,171,593.29

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Solution

The fourth proportional to 274,617,485.60, 378,611,514.92 and 198,171,593.29 is: 273,216,568.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,617,485.60 : 378,611,514.92 = 198,171,593.29 : x
  2. Step 2: Convert to fraction form
    274,617,485.60/378,611,514.92 = 198,171,593.29/x
  3. Step 3: Cross multiply
    274,617,485.60x = 378,611,514.92 × 198,171,593.29
  4. Step 4: Simplify right side
    274,617,485.60x = 75,030,047,146,753,088
  5. Step 5: Solve for x
    x = 75,030,047,146,753,088/274,617,485.60
  6. Step 6: Final answer
    x = 273,216,568.80

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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.