Home / 319,205,511.38-440,503,794.62-178,076,732.26

Finding the Fourth Proportional to 319,205,511.38, 440,503,794.62 and 178,076,732.26

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Solution

The fourth proportional to 319,205,511.38, 440,503,794.62 and 178,076,732.26 is: 245,745,995.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,205,511.38 : 440,503,794.62 = 178,076,732.26 : x
  2. Step 2: Convert to fraction form
    319,205,511.38/440,503,794.62 = 178,076,732.26/x
  3. Step 3: Cross multiply
    319,205,511.38x = 440,503,794.62 × 178,076,732.26
  4. Step 4: Simplify right side
    319,205,511.38x = 78,443,476,293,190,096
  5. Step 5: Solve for x
    x = 78,443,476,293,190,096/319,205,511.38
  6. Step 6: Final answer
    x = 245,745,995.91

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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.