Finding the Fourth Proportional to 982,361,091.94, 1,356,270,228.62 and 625,330,392.22
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Solution
The fourth proportional to 982,361,091.94, 1,356,270,228.62 and 625,330,392.22 is: 863,345,465.31
Step by Step Solution
- Step 1: Write the proportion equation
982,361,091.94 : 1,356,270,228.62 = 625,330,392.22 : x - Step 2: Convert to fraction form
982,361,091.94/1,356,270,228.62 = 625,330,392.22/x - Step 3: Cross multiply
982,361,091.94x = 1,356,270,228.62 × 625,330,392.22 - Step 4: Simplify right side
982,361,091.94x = 848,116,994,019,253,632 - Step 5: Solve for x
x = 848,116,994,019,253,632/982,361,091.94 - Step 6: Final answer
x = 863,345,465.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.