Home / 807,422,558.20-1,211,700,707.70-347,690,663.80

Finding the Fourth Proportional to 807,422,558.20, 1,211,700,707.70 and 347,690,663.80

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Solution

The fourth proportional to 807,422,558.20, 1,211,700,707.70 and 347,690,663.80 is: 521,780,100.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,422,558.20 : 1,211,700,707.70 = 347,690,663.80 : x
  2. Step 2: Convert to fraction form
    807,422,558.20/1,211,700,707.70 = 347,690,663.80/x
  3. Step 3: Cross multiply
    807,422,558.20x = 1,211,700,707.70 × 347,690,663.80
  4. Step 4: Simplify right side
    807,422,558.20x = 421,297,023,387,142,784
  5. Step 5: Solve for x
    x = 421,297,023,387,142,784/807,422,558.20
  6. Step 6: Final answer
    x = 521,780,100.28

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