Finding the Fourth Proportional to 2,633,449,639.18, 3,947,409,292.50 and 886,045,723.43
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Solution
The fourth proportional to 2,633,449,639.18, 3,947,409,292.50 and 886,045,723.43 is: 1,328,138,222.28
Step by Step Solution
- Step 1: Write the proportion equation
2,633,449,639.18 : 3,947,409,292.50 = 886,045,723.43 : x - Step 2: Convert to fraction form
2,633,449,639.18/3,947,409,292.50 = 886,045,723.43/x - Step 3: Cross multiply
2,633,449,639.18x = 3,947,409,292.50 × 886,045,723.43 - Step 4: Simplify right side
2,633,449,639.18x = 3,497,585,122,247,467,008 - Step 5: Solve for x
x = 3,497,585,122,247,467,008/2,633,449,639.18 - Step 6: Final answer
x = 1,328,138,222.28
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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.