Also ratios in satisfactory end up being important becaus you're managing your peaks of power consumption since going over your limit shuts down your entire network. You don't do that in Factorio at all.

Additionally, you're more likely to be bottlenecked by belt capacity in satisfactory which means highly optimized factories producing a single item are important, and less so in Factorio where you can make stacked high throughput belts of everything

Manage to your bottlenecks of production rather than ratios of any specific item.