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Finding the Fourth Proportional to 653,116,690.30, 978,331,342.65 and 330,182,520.70

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Solution

The fourth proportional to 653,116,690.30, 978,331,342.65 and 330,182,520.70 is: 494,594,478.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,116,690.30 : 978,331,342.65 = 330,182,520.70 : x
  2. Step 2: Convert to fraction form
    653,116,690.30/978,331,342.65 = 330,182,520.70/x
  3. Step 3: Cross multiply
    653,116,690.30x = 978,331,342.65 × 330,182,520.70
  4. Step 4: Simplify right side
    653,116,690.30x = 323,027,908,795,992,384
  5. Step 5: Solve for x
    x = 323,027,908,795,992,384/653,116,690.30
  6. Step 6: Final answer
    x = 494,594,478.43

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Why These Related Problems?

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