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Finding the Fourth Proportional to 304,307,978.96, 419,954,383.15 and 172,146,324.80

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Solution

The fourth proportional to 304,307,978.96, 419,954,383.15 and 172,146,324.80 is: 237,567,230.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,307,978.96 : 419,954,383.15 = 172,146,324.80 : x
  2. Step 2: Convert to fraction form
    304,307,978.96/419,954,383.15 = 172,146,324.80/x
  3. Step 3: Cross multiply
    304,307,978.96x = 419,954,383.15 × 172,146,324.80
  4. Step 4: Simplify right side
    304,307,978.96x = 72,293,603,643,543,072
  5. Step 5: Solve for x
    x = 72,293,603,643,543,072/304,307,978.96
  6. Step 6: Final answer
    x = 237,567,230.05

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Why These Related Problems?

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