Home / 400,194,722.56-552,285,975.62-221,578,614.29

Finding the Fourth Proportional to 400,194,722.56, 552,285,975.62 and 221,578,614.29

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Solution

The fourth proportional to 400,194,722.56, 552,285,975.62 and 221,578,614.29 is: 305,788,043.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,194,722.56 : 552,285,975.62 = 221,578,614.29 : x
  2. Step 2: Convert to fraction form
    400,194,722.56/552,285,975.62 = 221,578,614.29/x
  3. Step 3: Cross multiply
    400,194,722.56x = 552,285,975.62 × 221,578,614.29
  4. Step 4: Simplify right side
    400,194,722.56x = 122,374,761,167,472,832
  5. Step 5: Solve for x
    x = 122,374,761,167,472,832/400,194,722.56
  6. Step 6: Final answer
    x = 305,788,043.34

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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.