Home / 405,261,828.27-559,261,801.15-219,622,843.96

Finding the Fourth Proportional to 405,261,828.27, 559,261,801.15 and 219,622,843.96

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Solution

The fourth proportional to 405,261,828.27, 559,261,801.15 and 219,622,843.96 is: 303,079,783.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,261,828.27 : 559,261,801.15 = 219,622,843.96 : x
  2. Step 2: Convert to fraction form
    405,261,828.27/559,261,801.15 = 219,622,843.96/x
  3. Step 3: Cross multiply
    405,261,828.27x = 559,261,801.15 × 219,622,843.96
  4. Step 4: Simplify right side
    405,261,828.27x = 122,826,667,284,807,808
  5. Step 5: Solve for x
    x = 122,826,667,284,807,808/405,261,828.27
  6. Step 6: Final answer
    x = 303,079,783.78

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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.