Home / 684,770,417.78-1,027,322,933.38-218,431,922.60

Finding the Fourth Proportional to 684,770,417.78, 1,027,322,933.38 and 218,431,922.60

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Solution

The fourth proportional to 684,770,417.78, 1,027,322,933.38 and 218,431,922.60 is: 327,701,252.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,770,417.78 : 1,027,322,933.38 = 218,431,922.60 : x
  2. Step 2: Convert to fraction form
    684,770,417.78/1,027,322,933.38 = 218,431,922.60/x
  3. Step 3: Cross multiply
    684,770,417.78x = 1,027,322,933.38 × 218,431,922.60
  4. Step 4: Simplify right side
    684,770,417.78x = 224,400,123,471,287,360
  5. Step 5: Solve for x
    x = 224,400,123,471,287,360/684,770,417.78
  6. Step 6: Final answer
    x = 327,701,252.34

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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.