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Finding the Fourth Proportional to 673,764,959.20, 1,010,647,438.80 and 411,870,834.40

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Solution

The fourth proportional to 673,764,959.20, 1,010,647,438.80 and 411,870,834.40 is: 617,806,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,764,959.20 : 1,010,647,438.80 = 411,870,834.40 : x
  2. Step 2: Convert to fraction form
    673,764,959.20/1,010,647,438.80 = 411,870,834.40/x
  3. Step 3: Cross multiply
    673,764,959.20x = 1,010,647,438.80 × 411,870,834.40
  4. Step 4: Simplify right side
    673,764,959.20x = 416,256,203,902,778,880
  5. Step 5: Solve for x
    x = 416,256,203,902,778,880/673,764,959.20
  6. Step 6: Final answer
    x = 617,806,251.60

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