Home / 405,261,828.74-559,261,802.04-219,622,844.43

Finding the Fourth Proportional to 405,261,828.74, 559,261,802.04 and 219,622,844.43

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Solution

The fourth proportional to 405,261,828.74, 559,261,802.04 and 219,622,844.43 is: 303,079,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,261,828.74 : 559,261,802.04 = 219,622,844.43 : x
  2. Step 2: Convert to fraction form
    405,261,828.74/559,261,802.04 = 219,622,844.43/x
  3. Step 3: Cross multiply
    405,261,828.74x = 559,261,802.04 × 219,622,844.43
  4. Step 4: Simplify right side
    405,261,828.74x = 122,826,667,745,072,368
  5. Step 5: Solve for x
    x = 122,826,667,745,072,368/405,261,828.74
  6. Step 6: Final answer
    x = 303,079,784.56

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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.