Home / 304,499,744.78-420,209,958.79-165,270,535.25

Finding the Fourth Proportional to 304,499,744.78, 420,209,958.79 and 165,270,535.25

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Solution

The fourth proportional to 304,499,744.78, 420,209,958.79 and 165,270,535.25 is: 228,073,507.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,499,744.78 : 420,209,958.79 = 165,270,535.25 : x
  2. Step 2: Convert to fraction form
    304,499,744.78/420,209,958.79 = 165,270,535.25/x
  3. Step 3: Cross multiply
    304,499,744.78x = 420,209,958.79 × 165,270,535.25
  4. Step 4: Simplify right side
    304,499,744.78x = 69,448,324,807,860,856
  5. Step 5: Solve for x
    x = 69,448,324,807,860,856/304,499,744.78
  6. Step 6: Final answer
    x = 228,073,507.44

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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.