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Finding the Fourth Proportional to 355,694,977.50, 490,859,068.95 and 192,903,553.50

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Solution

The fourth proportional to 355,694,977.50, 490,859,068.95 and 192,903,553.50 is: 266,206,903.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,694,977.50 : 490,859,068.95 = 192,903,553.50 : x
  2. Step 2: Convert to fraction form
    355,694,977.50/490,859,068.95 = 192,903,553.50/x
  3. Step 3: Cross multiply
    355,694,977.50x = 490,859,068.95 × 192,903,553.50
  4. Step 4: Simplify right side
    355,694,977.50x = 94,688,458,668,156,512
  5. Step 5: Solve for x
    x = 94,688,458,668,156,512/355,694,977.50
  6. Step 6: Final answer
    x = 266,206,903.83

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