0.001

0.13

0.00001

0.000001

Relation of two quantities of the same kind

Relation of two quantities of the different kind

Equality between two ratios

Inequality between two ratios

5:1

4:8

8:4

2:4

0.8

0.4

0.25

0.2

2.2 kg

3.2 kg

4.2 kg

5.2 kg