Finding the Fourth Proportional to 494,533,487.79, 682,457,556.08 and 271,529,613.63
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Solution
The fourth proportional to 494,533,487.79, 682,457,556.08 and 271,529,613.63 is: 374,711,604.16
Step by Step Solution
- Step 1: Write the proportion equation
494,533,487.79 : 682,457,556.08 = 271,529,613.63 : x - Step 2: Convert to fraction form
494,533,487.79/682,457,556.08 = 271,529,613.63/x - Step 3: Cross multiply
494,533,487.79x = 682,457,556.08 × 271,529,613.63 - Step 4: Simplify right side
494,533,487.79x = 185,307,436,519,918,816 - Step 5: Solve for x
x = 185,307,436,519,918,816/494,533,487.79 - Step 6: Final answer
x = 374,711,604.16
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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.