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Finding the Fourth Proportional to 494,352,137.80, 741,528,206.70 and 287,444,441.80

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Solution

The fourth proportional to 494,352,137.80, 741,528,206.70 and 287,444,441.80 is: 431,166,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,352,137.80 : 741,528,206.70 = 287,444,441.80 : x
  2. Step 2: Convert to fraction form
    494,352,137.80/741,528,206.70 = 287,444,441.80/x
  3. Step 3: Cross multiply
    494,352,137.80x = 741,528,206.70 × 287,444,441.80
  4. Step 4: Simplify right side
    494,352,137.80x = 213,148,161,453,836,544
  5. Step 5: Solve for x
    x = 213,148,161,453,836,544/494,352,137.80
  6. Step 6: Final answer
    x = 431,166,662.70

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