Finding the Fourth Proportional to 494,533,489.79, 682,457,558.84 and 271,529,615.63
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Solution
The fourth proportional to 494,533,489.79, 682,457,558.84 and 271,529,615.63 is: 374,711,606.92
Step by Step Solution
- Step 1: Write the proportion equation
494,533,489.79 : 682,457,558.84 = 271,529,615.63 : x - Step 2: Convert to fraction form
494,533,489.79/682,457,558.84 = 271,529,615.63/x - Step 3: Cross multiply
494,533,489.79x = 682,457,558.84 × 271,529,615.63 - Step 4: Simplify right side
494,533,489.79x = 185,307,438,635,613,312 - Step 5: Solve for x
x = 185,307,438,635,613,312/494,533,489.79 - Step 6: Final answer
x = 374,711,606.92
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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.