Finding the Fourth Proportional to 494,802,505.68, 682,808,749.98 and 274,800,103.44
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Solution
The fourth proportional to 494,802,505.68, 682,808,749.98 and 274,800,103.44 is: 379,213,752.90
Step by Step Solution
- Step 1: Write the proportion equation
494,802,505.68 : 682,808,749.98 = 274,800,103.44 : x - Step 2: Convert to fraction form
494,802,505.68/682,808,749.98 = 274,800,103.44/x - Step 3: Cross multiply
494,802,505.68x = 682,808,749.98 × 274,800,103.44 - Step 4: Simplify right side
494,802,505.68x = 187,635,915,124,241,088 - Step 5: Solve for x
x = 187,635,915,124,241,088/494,802,505.68 - Step 6: Final answer
x = 379,213,752.90
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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.