Home / 393,552,122.58-589,182,560.37-206,362,180.44

Finding the Fourth Proportional to 393,552,122.58, 589,182,560.37 and 206,362,180.44

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Solution

The fourth proportional to 393,552,122.58, 589,182,560.37 and 206,362,180.44 is: 308,942,553.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,552,122.58 : 589,182,560.37 = 206,362,180.44 : x
  2. Step 2: Convert to fraction form
    393,552,122.58/589,182,560.37 = 206,362,180.44/x
  3. Step 3: Cross multiply
    393,552,122.58x = 589,182,560.37 × 206,362,180.44
  4. Step 4: Simplify right side
    393,552,122.58x = 121,584,997,835,175,136
  5. Step 5: Solve for x
    x = 121,584,997,835,175,136/393,552,122.58
  6. Step 6: Final answer
    x = 308,942,553.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.