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Finding the Fourth Proportional to 442,978,295.80, 664,467,443.70 and 442,978,295.80

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Solution

The fourth proportional to 442,978,295.80, 664,467,443.70 and 442,978,295.80 is: 664,467,443.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,978,295.80 : 664,467,443.70 = 442,978,295.80 : x
  2. Step 2: Convert to fraction form
    442,978,295.80/664,467,443.70 = 442,978,295.80/x
  3. Step 3: Cross multiply
    442,978,295.80x = 664,467,443.70 × 442,978,295.80
  4. Step 4: Simplify right side
    442,978,295.80x = 294,344,655,824,808,448
  5. Step 5: Solve for x
    x = 294,344,655,824,808,448/442,978,295.80
  6. Step 6: Final answer
    x = 664,467,443.70

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Why These Related Problems?

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