Finding the Fourth Proportional to 8,143,324,640.34, 12,192,229,332.99 and 4,399,202,332.50
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Solution
The fourth proportional to 8,143,324,640.34, 12,192,229,332.99 and 4,399,202,332.50 is: 6,586,509,329.91
Step by Step Solution
- Step 1: Write the proportion equation
8,143,324,640.34 : 12,192,229,332.99 = 4,399,202,332.50 : x - Step 2: Convert to fraction form
8,143,324,640.34/12,192,229,332.99 = 4,399,202,332.50/x - Step 3: Cross multiply
8,143,324,640.34x = 12,192,229,332.99 × 4,399,202,332.50 - Step 4: Simplify right side
8,143,324,640.34x = 53,636,083,720,064,524,288 - Step 5: Solve for x
x = 53,636,083,720,064,524,288/8,143,324,640.34 - Step 6: Final answer
x = 6,586,509,329.91
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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.