Finding the Fourth Proportional to 2,663,786,415.12, 3,993,863,537.67 and 1,351,157,358.52
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Solution
The fourth proportional to 2,663,786,415.12, 3,993,863,537.67 and 1,351,157,358.52 is: 2,025,814,861.59
Step by Step Solution
- Step 1: Write the proportion equation
2,663,786,415.12 : 3,993,863,537.67 = 1,351,157,358.52 : x - Step 2: Convert to fraction form
2,663,786,415.12/3,993,863,537.67 = 1,351,157,358.52/x - Step 3: Cross multiply
2,663,786,415.12x = 3,993,863,537.67 × 1,351,157,358.52 - Step 4: Simplify right side
2,663,786,415.12x = 5,396,338,107,847,539,712 - Step 5: Solve for x
x = 5,396,338,107,847,539,712/2,663,786,415.12 - Step 6: Final answer
x = 2,025,814,861.59
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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.