In a rectangular prism room, a bug named “Sir Marvin” sits on an end wall at a point one meter from the floor, midway between the sidewalls. He saw a lady bug named “Maam Charlene” and started to walk to her at a point on the other end wall which is one meter from the ceiling midway between sidewalls. Please help Marvin to calculate the minimum distance that he need to walk to reach Charlene on the other side of the wall. The dimensions of the room is 473 m long, 73 m wide and 73 m high