Home / 405,999,672.96-560,279,963.34-220,360,726.92

Finding the Fourth Proportional to 405,999,672.96, 560,279,963.34 and 220,360,726.92

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Solution

The fourth proportional to 405,999,672.96, 560,279,963.34 and 220,360,726.92 is: 304,098,028.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,999,672.96 : 560,279,963.34 = 220,360,726.92 : x
  2. Step 2: Convert to fraction form
    405,999,672.96/560,279,963.34 = 220,360,726.92/x
  3. Step 3: Cross multiply
    405,999,672.96x = 560,279,963.34 × 220,360,726.92
  4. Step 4: Simplify right side
    405,999,672.96x = 123,463,700,000,313,344
  5. Step 5: Solve for x
    x = 123,463,700,000,313,344/405,999,672.96
  6. Step 6: Final answer
    x = 304,098,028.21

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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.