Finding the Fourth Proportional to 4,141,990,819.37, 6,212,986,311.45 and 994,205,431.34
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Solution
The fourth proportional to 4,141,990,819.37, 6,212,986,311.45 and 994,205,431.34 is: 1,491,308,166.79
Step by Step Solution
- Step 1: Write the proportion equation
4,141,990,819.37 : 6,212,986,311.45 = 994,205,431.34 : x - Step 2: Convert to fraction form
4,141,990,819.37/6,212,986,311.45 = 994,205,431.34/x - Step 3: Cross multiply
4,141,990,819.37x = 6,212,986,311.45 × 994,205,431.34 - Step 4: Simplify right side
4,141,990,819.37x = 6,176,984,735,715,479,552 - Step 5: Solve for x
x = 6,176,984,735,715,479,552/4,141,990,819.37 - Step 6: Final answer
x = 1,491,308,166.79
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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.