Home / 399,989,841.98-552,007,423.42-223,767,327.38

Finding the Fourth Proportional to 399,989,841.98, 552,007,423.42 and 223,767,327.38

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Solution

The fourth proportional to 399,989,841.98, 552,007,423.42 and 223,767,327.38 is: 308,810,906.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,989,841.98 : 552,007,423.42 = 223,767,327.38 : x
  2. Step 2: Convert to fraction form
    399,989,841.98/552,007,423.42 = 223,767,327.38/x
  3. Step 3: Cross multiply
    399,989,841.98x = 552,007,423.42 × 223,767,327.38
  4. Step 4: Simplify right side
    399,989,841.98x = 123,521,225,832,613,408
  5. Step 5: Solve for x
    x = 123,521,225,832,613,408/399,989,841.98
  6. Step 6: Final answer
    x = 308,810,906.85

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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.