Finding the Fourth Proportional to 3,269,810,611.40, 4,518,241,142.82 and 2,328,378,821.96
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Solution
The fourth proportional to 3,269,810,611.40, 4,518,241,142.82 and 2,328,378,821.96 is: 3,217,365,847.66
Step by Step Solution
- Step 1: Write the proportion equation
3,269,810,611.40 : 4,518,241,142.82 = 2,328,378,821.96 : x - Step 2: Convert to fraction form
3,269,810,611.40/4,518,241,142.82 = 2,328,378,821.96/x - Step 3: Cross multiply
3,269,810,611.40x = 4,518,241,142.82 × 2,328,378,821.96 - Step 4: Simplify right side
3,269,810,611.40x = 10,520,176,989,450,434,560 - Step 5: Solve for x
x = 10,520,176,989,450,434,560/3,269,810,611.40 - Step 6: Final answer
x = 3,217,365,847.66
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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.