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Finding the Fourth Proportional to 978,951,209.64, 1,468,467,336.84 and 288,858,463.96

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Solution

The fourth proportional to 978,951,209.64, 1,468,467,336.84 and 288,858,463.96 is: 433,299,652.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,951,209.64 : 1,468,467,336.84 = 288,858,463.96 : x
  2. Step 2: Convert to fraction form
    978,951,209.64/1,468,467,336.84 = 288,858,463.96/x
  3. Step 3: Cross multiply
    978,951,209.64x = 1,468,467,336.84 × 288,858,463.96
  4. Step 4: Simplify right side
    978,951,209.64x = 424,179,219,295,034,240
  5. Step 5: Solve for x
    x = 424,179,219,295,034,240/978,951,209.64
  6. Step 6: Final answer
    x = 433,299,652.85

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Why These Related Problems?

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