The scale of the map is 1 : 10,000,000.Data GivenActual distance: 900 km = 900,000 m = 90,000,000 cmMap distance: 9 cmRatioMap : Real ; 9 : 90,000,000Simplify the ratio.9 : 90,000,000 = [tex]\frac{9}{90,000,000}[/tex][tex]\frac{9}{90,000,000} = \frac{1}{10,000,000}[/tex]Convert fraction to ratio.[tex]\frac{1}{10,000,000}[/tex]1 : 10,000,000