Finding the Fourth Proportional to 456,908,945,760.72, 629,869,800,667.68 and 319,304,548,518.48

Step by Step Solution

1. Step 1: Write the proportion equation
   456,908,945,760.72 : 629,869,800,667.68 = 319,304,548,518.48 : x
2. Step 2: Convert to fraction form
   456,908,945,760.72/629,869,800,667.68 = 319,304,548,518.48/x
3. Step 3: Cross multiply
   456,908,945,760.72x = 629,869,800,667.68 × 319,304,548,518.48
4. Step 4: Simplify right side
   456,908,945,760.72x = 201,120,292,327,618,546,499,584
5. Step 5: Solve for x
   x = 201,120,292,327,618,546,499,584/456,908,945,760.72
6. Step 6: Final answer
   x = 440,175,869,160.91