Home / 405,261,777.80-559,261,731.66-219,622,793.49

Finding the Fourth Proportional to 405,261,777.80, 559,261,731.66 and 219,622,793.49

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Solution

The fourth proportional to 405,261,777.80, 559,261,731.66 and 219,622,793.49 is: 303,079,714.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,261,777.80 : 559,261,731.66 = 219,622,793.49 : x
  2. Step 2: Convert to fraction form
    405,261,777.80/559,261,731.66 = 219,622,793.49/x
  3. Step 3: Cross multiply
    405,261,777.80x = 559,261,731.66 × 219,622,793.49
  4. Step 4: Simplify right side
    405,261,777.80x = 122,826,623,797,757,872
  5. Step 5: Solve for x
    x = 122,826,623,797,757,872/405,261,777.80
  6. Step 6: Final answer
    x = 303,079,714.21

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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.