Finding the Fourth Proportional to 13,048,139,320.05, 19,572,208,980.08 and 13,048,139,320.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,048,139,320.05 : 19,572,208,980.08 = 13,048,139,320.05 : x
2. Step 2: Convert to fraction form
   13,048,139,320.05/19,572,208,980.08 = 13,048,139,320.05/x
3. Step 3: Cross multiply
   13,048,139,320.05x = 19,572,208,980.08 × 13,048,139,320.05
4. Step 4: Simplify right side
   13,048,139,320.05x = 255,380,909,573,152,309,248
5. Step 5: Solve for x
   x = 255,380,909,573,152,309,248/13,048,139,320.05
6. Step 6: Final answer
   x = 19,572,208,980.08