Home / 396,509,961.39-547,064,418.86-237,682,133.01

Finding the Fourth Proportional to 396,509,961.39, 547,064,418.86 and 237,682,133.01

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Solution

The fourth proportional to 396,509,961.39, 547,064,418.86 and 237,682,133.01 is: 327,929,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,509,961.39 : 547,064,418.86 = 237,682,133.01 : x
  2. Step 2: Convert to fraction form
    396,509,961.39/547,064,418.86 = 237,682,133.01/x
  3. Step 3: Cross multiply
    396,509,961.39x = 547,064,418.86 × 237,682,133.01
  4. Step 4: Simplify right side
    396,509,961.39x = 130,027,437,965,785,552
  5. Step 5: Solve for x
    x = 130,027,437,965,785,552/396,509,961.39
  6. Step 6: Final answer
    x = 327,929,814.20

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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.