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Finding the Fourth Proportional to 653,205,849.30, 978,465,081.15 and 330,271,679.70

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Solution

The fourth proportional to 653,205,849.30, 978,465,081.15 and 330,271,679.70 is: 494,728,126.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,205,849.30 : 978,465,081.15 = 330,271,679.70 : x
  2. Step 2: Convert to fraction form
    653,205,849.30/978,465,081.15 = 330,271,679.70/x
  3. Step 3: Cross multiply
    653,205,849.30x = 978,465,081.15 × 330,271,679.70
  4. Step 4: Simplify right side
    653,205,849.30x = 323,159,305,879,207,296
  5. Step 5: Solve for x
    x = 323,159,305,879,207,296/653,205,849.30
  6. Step 6: Final answer
    x = 494,728,126.25

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Why These Related Problems?

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