Home / 319,578,175.14-479,505,361.25-171,853,072.88

Finding the Fourth Proportional to 319,578,175.14, 479,505,361.25 and 171,853,072.88

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Solution

The fourth proportional to 319,578,175.14, 479,505,361.25 and 171,853,072.88 is: 257,853,871.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,578,175.14 : 479,505,361.25 = 171,853,072.88 : x
  2. Step 2: Convert to fraction form
    319,578,175.14/479,505,361.25 = 171,853,072.88/x
  3. Step 3: Cross multiply
    319,578,175.14x = 479,505,361.25 × 171,853,072.88
  4. Step 4: Simplify right side
    319,578,175.14x = 82,404,469,793,586,480
  5. Step 5: Solve for x
    x = 82,404,469,793,586,480/319,578,175.14
  6. Step 6: Final answer
    x = 257,853,871.77

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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.