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Finding the Fourth Proportional to 825,912,306, 1,139,782,477.50 and 449,593,162.92

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Solution

The fourth proportional to 825,912,306, 1,139,782,477.50 and 449,593,162.92 is: 620,451,354.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,912,306 : 1,139,782,477.50 = 449,593,162.92 : x
  2. Step 2: Convert to fraction form
    825,912,306/1,139,782,477.50 = 449,593,162.92/x
  3. Step 3: Cross multiply
    825,912,306x = 1,139,782,477.50 × 449,593,162.92
  4. Step 4: Simplify right side
    825,912,306x = 512,438,409,100,018,752
  5. Step 5: Solve for x
    x = 512,438,409,100,018,752/825,912,306
  6. Step 6: Final answer
    x = 620,451,354.67

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