Home / 405,261,825.48-559,261,797.57-219,622,841.19

Finding the Fourth Proportional to 405,261,825.48, 559,261,797.57 and 219,622,841.19

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Solution

The fourth proportional to 405,261,825.48, 559,261,797.57 and 219,622,841.19 is: 303,079,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,261,825.48 : 559,261,797.57 = 219,622,841.19 : x
  2. Step 2: Convert to fraction form
    405,261,825.48/559,261,797.57 = 219,622,841.19/x
  3. Step 3: Cross multiply
    405,261,825.48x = 559,261,797.57 × 219,622,841.19
  4. Step 4: Simplify right side
    405,261,825.48x = 122,826,664,951,350,048
  5. Step 5: Solve for x
    x = 122,826,664,951,350,048/405,261,825.48
  6. Step 6: Final answer
    x = 303,079,780.10

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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.