Points $A,B,C,D,E$ lie in that order on $\overline{AE}$. The lengths of the segments are $AB=2$, $BC=3$, $CD=4$, and $DE=1$. Point $G$ is not on line $AE$. Point $H$ lies on $\overline{GC}$ and point $J$ lies on $\overline{GE}$. The line segments $BH$, $DJ$, and $AG$ are parallel. Find $BH/DJ$.