Home / 400,693,975.80-552,929,777.73-222,076,115.43

Finding the Fourth Proportional to 400,693,975.80, 552,929,777.73 and 222,076,115.43

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Solution

The fourth proportional to 400,693,975.80, 552,929,777.73 and 222,076,115.43 is: 306,449,571.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,693,975.80 : 552,929,777.73 = 222,076,115.43 : x
  2. Step 2: Convert to fraction form
    400,693,975.80/552,929,777.73 = 222,076,115.43/x
  3. Step 3: Cross multiply
    400,693,975.80x = 552,929,777.73 × 222,076,115.43
  4. Step 4: Simplify right side
    400,693,975.80x = 122,792,497,143,851,728
  5. Step 5: Solve for x
    x = 122,792,497,143,851,728/400,693,975.80
  6. Step 6: Final answer
    x = 306,449,571.39

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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.