Finding the Fourth Proportional to 317,474,136.68, 438,015,467.46 and 183,463,231.28
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Solution
The fourth proportional to 317,474,136.68, 438,015,467.46 and 183,463,231.28 is: 253,122,140.44
Step by Step Solution
- Step 1: Write the proportion equation
317,474,136.68 : 438,015,467.46 = 183,463,231.28 : x - Step 2: Convert to fraction form
317,474,136.68/438,015,467.46 = 183,463,231.28/x - Step 3: Cross multiply
317,474,136.68x = 438,015,467.46 × 183,463,231.28 - Step 4: Simplify right side
317,474,136.68x = 80,359,733,010,766,000 - Step 5: Solve for x
x = 80,359,733,010,766,000/317,474,136.68 - Step 6: Final answer
x = 253,122,140.44
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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.