My current code, which still does not reveal more digits:
clear
clc
format longG
digits 50
syms m4m5
Breguet1 = 1852*1500 == (230.1330/(1.466*10^-4))*(18.4)*log(m4m5);
solvem4m5 = vpasolve(Breguet1, m4m5);
m4m5 = solvem4m5(1,1)
a = sym(62826.3402201552)
b = a * m4m5
The result is:
m4m5 =
1.1010
a =
6.2826e+04
b =
6.9169e+04