Finding the Fourth Proportional to 5,180,090,158.20, 7,770,135,237.30 and 3,629,132,743.80
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Solution
The fourth proportional to 5,180,090,158.20, 7,770,135,237.30 and 3,629,132,743.80 is: 5,443,699,115.70
Step by Step Solution
- Step 1: Write the proportion equation
5,180,090,158.20 : 7,770,135,237.30 = 3,629,132,743.80 : x - Step 2: Convert to fraction form
5,180,090,158.20/7,770,135,237.30 = 3,629,132,743.80/x - Step 3: Cross multiply
5,180,090,158.20x = 7,770,135,237.30 × 3,629,132,743.80 - Step 4: Simplify right side
5,180,090,158.20x = 28,198,852,213,439,614,976 - Step 5: Solve for x
x = 28,198,852,213,439,614,976/5,180,090,158.20 - Step 6: Final answer
x = 5,443,699,115.70
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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.