Home / 405,261,829.74-559,261,803.42-219,622,845.43

Finding the Fourth Proportional to 405,261,829.74, 559,261,803.42 and 219,622,845.43

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Solution

The fourth proportional to 405,261,829.74, 559,261,803.42 and 219,622,845.43 is: 303,079,785.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,261,829.74 : 559,261,803.42 = 219,622,845.43 : x
  2. Step 2: Convert to fraction form
    405,261,829.74/559,261,803.42 = 219,622,845.43/x
  3. Step 3: Cross multiply
    405,261,829.74x = 559,261,803.42 × 219,622,845.43
  4. Step 4: Simplify right side
    405,261,829.74x = 122,826,668,607,413,696
  5. Step 5: Solve for x
    x = 122,826,668,607,413,696/405,261,829.74
  6. Step 6: Final answer
    x = 303,079,785.94

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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.