Finding the Fourth Proportional to 979,040,043.60, 1,468,134,912.60 and 323,737,861.20
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Solution
The fourth proportional to 979,040,043.60, 1,468,134,912.60 and 323,737,861.20 is: 485,466,207.09
Step by Step Solution
- Step 1: Write the proportion equation
979,040,043.60 : 1,468,134,912.60 = 323,737,861.20 : x - Step 2: Convert to fraction form
979,040,043.60/1,468,134,912.60 = 323,737,861.20/x - Step 3: Cross multiply
979,040,043.60x = 1,468,134,912.60 × 323,737,861.20 - Step 4: Simplify right side
979,040,043.60x = 475,290,856,558,172,864 - Step 5: Solve for x
x = 475,290,856,558,172,864/979,040,043.60 - Step 6: Final answer
x = 485,466,207.09
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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.