Finding the Fourth Proportional to 8,083,685,618.15, 12,125,956,652.42 and 2,491,463,672.87
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Solution
The fourth proportional to 8,083,685,618.15, 12,125,956,652.42 and 2,491,463,672.87 is: 3,737,327,492.11
Step by Step Solution
- Step 1: Write the proportion equation
8,083,685,618.15 : 12,125,956,652.42 = 2,491,463,672.87 : x - Step 2: Convert to fraction form
8,083,685,618.15/12,125,956,652.42 = 2,491,463,672.87/x - Step 3: Cross multiply
8,083,685,618.15x = 12,125,956,652.42 × 2,491,463,672.87 - Step 4: Simplify right side
8,083,685,618.15x = 30,211,380,498,300,743,680 - Step 5: Solve for x
x = 30,211,380,498,300,743,680/8,083,685,618.15 - Step 6: Final answer
x = 3,737,327,492.11
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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.