Home / 399,989,845.98-552,007,428.94-223,767,331.38

Finding the Fourth Proportional to 399,989,845.98, 552,007,428.94 and 223,767,331.38

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Solution

The fourth proportional to 399,989,845.98, 552,007,428.94 and 223,767,331.38 is: 308,810,912.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,989,845.98 : 552,007,428.94 = 223,767,331.38 : x
  2. Step 2: Convert to fraction form
    399,989,845.98/552,007,428.94 = 223,767,331.38/x
  3. Step 3: Cross multiply
    399,989,845.98x = 552,007,428.94 × 223,767,331.38
  4. Step 4: Simplify right side
    399,989,845.98x = 123,521,229,275,838,800
  5. Step 5: Solve for x
    x = 123,521,229,275,838,800/399,989,845.98
  6. Step 6: Final answer
    x = 308,810,912.37

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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.