Finding the Fourth Proportional to 4,294,945,868.87, 5,926,932,400.61 and 2,486,534,000.49
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Solution
The fourth proportional to 4,294,945,868.87, 5,926,932,400.61 and 2,486,534,000.49 is: 3,431,363,137.67
Step by Step Solution
- Step 1: Write the proportion equation
4,294,945,868.87 : 5,926,932,400.61 = 2,486,534,000.49 : x - Step 2: Convert to fraction form
4,294,945,868.87/5,926,932,400.61 = 2,486,534,000.49/x - Step 3: Cross multiply
4,294,945,868.87x = 5,926,932,400.61 × 2,486,534,000.49 - Step 4: Simplify right side
4,294,945,868.87x = 14,737,518,932,728,797,184 - Step 5: Solve for x
x = 14,737,518,932,728,797,184/4,294,945,868.87 - Step 6: Final answer
x = 3,431,363,137.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.