To find out how many times larger \(4 \times 10^7\) is than \(8 \times 10^1\), you can perform the following calculation:
- Divide \(4 \times 10^7\) by \(8 \times 10^1\):
\[ \frac{4 \times 10^7}{8 \times 10^1} \]
- Simplify the expression:
\[ = \frac{4}{8} \times \frac{10^7}{10^1} \]
- Calculate:
\[ = \frac{1}{2} \times 10^{7-1} \] \[ = \frac{1}{2} \times 10^6 \] \[ = \frac{10^6}{2} \] \[ = 5 \times 10^5 \]
So, \(4 \times 10^7\) is \(5 \times 10^5\) times larger than \(8 \times 10^1\).
Thus, the answer is \(500000\) or \(5 \times 10^5\) times.