Finding the Fourth Proportional to 721,193,327,779.05, 1,081,824,783,953.60 and 237,136,831,376.42
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Solution
The fourth proportional to 721,193,327,779.05, 1,081,824,783,953.60 and 237,136,831,376.42 is: 355,716,687,176.33
Step by Step Solution
- Step 1: Write the proportion equation
721,193,327,779.05 : 1,081,824,783,953.60 = 237,136,831,376.42 : x - Step 2: Convert to fraction form
721,193,327,779.05/1,081,824,783,953.60 = 237,136,831,376.42/x - Step 3: Cross multiply
721,193,327,779.05x = 1,081,824,783,953.60 × 237,136,831,376.42 - Step 4: Simplify right side
721,193,327,779.05x = 256,540,501,371,236,850,335,744 - Step 5: Solve for x
x = 256,540,501,371,236,850,335,744/721,193,327,779.05 - Step 6: Final answer
x = 355,716,687,176.33
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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.