Finding the Fourth Proportional to 219,351,262.11, 327,065,834.93 and 213,324,721.17
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Solution
The fourth proportional to 219,351,262.11, 327,065,834.93 and 213,324,721.17 is: 318,079,902.39
Step by Step Solution
- Step 1: Write the proportion equation
219,351,262.11 : 327,065,834.93 = 213,324,721.17 : x - Step 2: Convert to fraction form
219,351,262.11/327,065,834.93 = 213,324,721.17/x - Step 3: Cross multiply
219,351,262.11x = 327,065,834.93 × 213,324,721.17 - Step 4: Simplify right side
219,351,262.11x = 69,771,228,040,675,496 - Step 5: Solve for x
x = 69,771,228,040,675,496/219,351,262.11 - Step 6: Final answer
x = 318,079,902.39
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.