Finding the Fourth Proportional to 327,527,539.68, 491,461,340.40 and 133,581,243.36
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Solution
The fourth proportional to 327,527,539.68, 491,461,340.40 and 133,581,243.36 is: 200,441,211.69
Step by Step Solution
- Step 1: Write the proportion equation
327,527,539.68 : 491,461,340.40 = 133,581,243.36 : x - Step 2: Convert to fraction form
327,527,539.68/491,461,340.40 = 133,581,243.36/x - Step 3: Cross multiply
327,527,539.68x = 491,461,340.40 × 133,581,243.36 - Step 4: Simplify right side
327,527,539.68x = 65,650,016,914,004,200 - Step 5: Solve for x
x = 65,650,016,914,004,200/327,527,539.68 - Step 6: Final answer
x = 200,441,211.69
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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.