2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/146216We study sums with multiplicative functions that take values over a non-homogenous Beatty sequence. We then apply our result in a few special cases to obtain asymptotic formulas such as the number of integers in a Beatty sequence representable as a sum of two squares up to a given magnitude.Number Theory11E25, 11B83text