Home / 457,552,935.75-631,492,072.38-279,040,388.43

Finding the Fourth Proportional to 457,552,935.75, 631,492,072.38 and 279,040,388.43

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Solution

The fourth proportional to 457,552,935.75, 631,492,072.38 and 279,040,388.43 is: 385,117,828.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,552,935.75 : 631,492,072.38 = 279,040,388.43 : x
  2. Step 2: Convert to fraction form
    457,552,935.75/631,492,072.38 = 279,040,388.43/x
  3. Step 3: Cross multiply
    457,552,935.75x = 631,492,072.38 × 279,040,388.43
  4. Step 4: Simplify right side
    457,552,935.75x = 176,211,793,167,380,864
  5. Step 5: Solve for x
    x = 176,211,793,167,380,864/457,552,935.75
  6. Step 6: Final answer
    x = 385,117,828.78

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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.