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Finding the Fourth Proportional to 652,600,847.62, 978,543,473.28 and 258,728,664.88

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Solution

The fourth proportional to 652,600,847.62, 978,543,473.28 and 258,728,664.88 is: 387,951,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,600,847.62 : 978,543,473.28 = 258,728,664.88 : x
  2. Step 2: Convert to fraction form
    652,600,847.62/978,543,473.28 = 258,728,664.88/x
  3. Step 3: Cross multiply
    652,600,847.62x = 978,543,473.28 × 258,728,664.88
  4. Step 4: Simplify right side
    652,600,847.62x = 253,177,246,368,772,352
  5. Step 5: Solve for x
    x = 253,177,246,368,772,352/652,600,847.62
  6. Step 6: Final answer
    x = 387,951,145.47

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Why These Related Problems?

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