Home / 320,032,072.20-480,048,108.30-314,930,238.60

Finding the Fourth Proportional to 320,032,072.20, 480,048,108.30 and 314,930,238.60

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Solution

The fourth proportional to 320,032,072.20, 480,048,108.30 and 314,930,238.60 is: 472,395,357.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,032,072.20 : 480,048,108.30 = 314,930,238.60 : x
  2. Step 2: Convert to fraction form
    320,032,072.20/480,048,108.30 = 314,930,238.60/x
  3. Step 3: Cross multiply
    320,032,072.20x = 480,048,108.30 × 314,930,238.60
  4. Step 4: Simplify right side
    320,032,072.20x = 151,181,665,286,397,664
  5. Step 5: Solve for x
    x = 151,181,665,286,397,664/320,032,072.20
  6. Step 6: Final answer
    x = 472,395,357.90

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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.