Home / 288,410,669,342.64-397,954,097,721.72-166,430,903,789.52

Finding the Fourth Proportional to 288,410,669,342.64, 397,954,097,721.72 and 166,430,903,789.52

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Solution

The fourth proportional to 288,410,669,342.64, 397,954,097,721.72 and 166,430,903,789.52 is: 229,644,278,769.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,410,669,342.64 : 397,954,097,721.72 = 166,430,903,789.52 : x
  2. Step 2: Convert to fraction form
    288,410,669,342.64/397,954,097,721.72 = 166,430,903,789.52/x
  3. Step 3: Cross multiply
    288,410,669,342.64x = 397,954,097,721.72 × 166,430,903,789.52
  4. Step 4: Simplify right side
    288,410,669,342.64x = 66,231,860,150,568,814,116,864
  5. Step 5: Solve for x
    x = 66,231,860,150,568,814,116,864/288,410,669,342.64
  6. Step 6: Final answer
    x = 229,644,278,769.33

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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.