Finding the Fourth Proportional to 5,180,090,151.20, 7,770,135,226.80 and 3,629,132,736.80
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Solution
The fourth proportional to 5,180,090,151.20, 7,770,135,226.80 and 3,629,132,736.80 is: 5,443,699,105.20
Step by Step Solution
- Step 1: Write the proportion equation
5,180,090,151.20 : 7,770,135,226.80 = 3,629,132,736.80 : x - Step 2: Convert to fraction form
5,180,090,151.20/7,770,135,226.80 = 3,629,132,736.80/x - Step 3: Cross multiply
5,180,090,151.20x = 7,770,135,226.80 × 3,629,132,736.80 - Step 4: Simplify right side
5,180,090,151.20x = 28,198,852,120,942,776,320 - Step 5: Solve for x
x = 28,198,852,120,942,776,320/5,180,090,151.20 - Step 6: Final answer
x = 5,443,699,105.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.