Home / 407,840,428.80-611,675,625.60-149,177,491.20

Finding the Fourth Proportional to 407,840,428.80, 611,675,625.60 and 149,177,491.20

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Solution

The fourth proportional to 407,840,428.80, 611,675,625.60 and 149,177,491.20 is: 223,735,139.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,840,428.80 : 611,675,625.60 = 149,177,491.20 : x
  2. Step 2: Convert to fraction form
    407,840,428.80/611,675,625.60 = 149,177,491.20/x
  3. Step 3: Cross multiply
    407,840,428.80x = 611,675,625.60 × 149,177,491.20
  4. Step 4: Simplify right side
    407,840,428.80x = 91,248,235,255,198,496
  5. Step 5: Solve for x
    x = 91,248,235,255,198,496/407,840,428.80
  6. Step 6: Final answer
    x = 223,735,139.56

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