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Finding the Fourth Proportional to 423,536,978.40, 635,179,496.40 and 164,603,176.80

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Solution

The fourth proportional to 423,536,978.40, 635,179,496.40 and 164,603,176.80 is: 246,855,807.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,536,978.40 : 635,179,496.40 = 164,603,176.80 : x
  2. Step 2: Convert to fraction form
    423,536,978.40/635,179,496.40 = 164,603,176.80/x
  3. Step 3: Cross multiply
    423,536,978.40x = 635,179,496.40 × 164,603,176.80
  4. Step 4: Simplify right side
    423,536,978.40x = 104,552,562,945,664,160
  5. Step 5: Solve for x
    x = 104,552,562,945,664,160/423,536,978.40
  6. Step 6: Final answer
    x = 246,855,807.82

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Why These Related Problems?

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