Finding the Fourth Proportional to 207,770,708.20, 311,656,062.30 and 202,462,292.20
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Solution
The fourth proportional to 207,770,708.20, 311,656,062.30 and 202,462,292.20 is: 303,693,438.30
Step by Step Solution
- Step 1: Write the proportion equation
207,770,708.20 : 311,656,062.30 = 202,462,292.20 : x - Step 2: Convert to fraction form
207,770,708.20/311,656,062.30 = 202,462,292.20/x - Step 3: Cross multiply
207,770,708.20x = 311,656,062.30 × 202,462,292.20 - Step 4: Simplify right side
207,770,708.20x = 63,098,600,751,284,000 - Step 5: Solve for x
x = 63,098,600,751,284,000/207,770,708.20 - Step 6: Final answer
x = 303,693,438.30
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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.