Home / 304,850,680.64-420,685,749.12-179,410,256.96

Finding the Fourth Proportional to 304,850,680.64, 420,685,749.12 and 179,410,256.96

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Solution

The fourth proportional to 304,850,680.64, 420,685,749.12 and 179,410,256.96 is: 247,581,334.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,850,680.64 : 420,685,749.12 = 179,410,256.96 : x
  2. Step 2: Convert to fraction form
    304,850,680.64/420,685,749.12 = 179,410,256.96/x
  3. Step 3: Cross multiply
    304,850,680.64x = 420,685,749.12 × 179,410,256.96
  4. Step 4: Simplify right side
    304,850,680.64x = 75,475,338,349,029,296
  5. Step 5: Solve for x
    x = 75,475,338,349,029,296/304,850,680.64
  6. Step 6: Final answer
    x = 247,581,334.54

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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.