Home / 304,584,260.76-420,324,022.86-165,351,442.68

Finding the Fourth Proportional to 304,584,260.76, 420,324,022.86 and 165,351,442.68

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Solution

The fourth proportional to 304,584,260.76, 420,324,022.86 and 165,351,442.68 is: 228,183,765.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,584,260.76 : 420,324,022.86 = 165,351,442.68 : x
  2. Step 2: Convert to fraction form
    304,584,260.76/420,324,022.86 = 165,351,442.68/x
  3. Step 3: Cross multiply
    304,584,260.76x = 420,324,022.86 × 165,351,442.68
  4. Step 4: Simplify right side
    304,584,260.76x = 69,501,183,570,033,928
  5. Step 5: Solve for x
    x = 69,501,183,570,033,928/304,584,260.76
  6. Step 6: Final answer
    x = 228,183,765.63

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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.