To find how many times bigger 3,959 miles is than 4.3441 miles, you can divide the larger number by the smaller number:
\[ \text{Ratio} = \frac{3,959 \text{ miles}}{4.3441 \text{ miles}} \approx 912.52 \]
So, 3,959 miles is approximately 912.52 times bigger than 4.3441 miles.