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Finding the Fourth Proportional to 404,366,978.60, 606,550,467.90 and 396,304,821.80

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Solution

The fourth proportional to 404,366,978.60, 606,550,467.90 and 396,304,821.80 is: 594,457,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,366,978.60 : 606,550,467.90 = 396,304,821.80 : x
  2. Step 2: Convert to fraction form
    404,366,978.60/606,550,467.90 = 396,304,821.80/x
  3. Step 3: Cross multiply
    404,366,978.60x = 606,550,467.90 × 396,304,821.80
  4. Step 4: Simplify right side
    404,366,978.60x = 240,378,875,093,816,128
  5. Step 5: Solve for x
    x = 240,378,875,093,816,128/404,366,978.60
  6. Step 6: Final answer
    x = 594,457,232.70

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Why These Related Problems?

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