Finding the Fourth Proportional to 8,143,324,638.84, 12,192,229,330.74 and 4,399,202,331
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Solution
The fourth proportional to 8,143,324,638.84, 12,192,229,330.74 and 4,399,202,331 is: 6,586,509,327.66
Step by Step Solution
- Step 1: Write the proportion equation
8,143,324,638.84 : 12,192,229,330.74 = 4,399,202,331 : x - Step 2: Convert to fraction form
8,143,324,638.84/12,192,229,330.74 = 4,399,202,331/x - Step 3: Cross multiply
8,143,324,638.84x = 12,192,229,330.74 × 4,399,202,331 - Step 4: Simplify right side
8,143,324,638.84x = 53,636,083,691,877,974,016 - Step 5: Solve for x
x = 53,636,083,691,877,974,016/8,143,324,638.84 - Step 6: Final answer
x = 6,586,509,327.66
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1.5x scale
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.