Home / 405,999,735.48-560,280,049.38-220,360,789.44

Finding the Fourth Proportional to 405,999,735.48, 560,280,049.38 and 220,360,789.44

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Solution

The fourth proportional to 405,999,735.48, 560,280,049.38 and 220,360,789.44 is: 304,098,114.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,999,735.48 : 560,280,049.38 = 220,360,789.44 : x
  2. Step 2: Convert to fraction form
    405,999,735.48/560,280,049.38 = 220,360,789.44/x
  3. Step 3: Cross multiply
    405,999,735.48x = 560,280,049.38 × 220,360,789.44
  4. Step 4: Simplify right side
    405,999,735.48x = 123,463,753,988,858,976
  5. Step 5: Solve for x
    x = 123,463,753,988,858,976/405,999,735.48
  6. Step 6: Final answer
    x = 304,098,114.36

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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.