Home / 405,261,830.24-559,261,804.11-219,622,845.93

Finding the Fourth Proportional to 405,261,830.24, 559,261,804.11 and 219,622,845.93

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Solution

The fourth proportional to 405,261,830.24, 559,261,804.11 and 219,622,845.93 is: 303,079,786.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,261,830.24 : 559,261,804.11 = 219,622,845.93 : x
  2. Step 2: Convert to fraction form
    405,261,830.24/559,261,804.11 = 219,622,845.93/x
  3. Step 3: Cross multiply
    405,261,830.24x = 559,261,804.11 × 219,622,845.93
  4. Step 4: Simplify right side
    405,261,830.24x = 122,826,669,038,584,384
  5. Step 5: Solve for x
    x = 122,826,669,038,584,384/405,261,830.24
  6. Step 6: Final answer
    x = 303,079,786.63

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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.