Finding the Fourth Proportional to 3,322,035,126.60, 4,982,414,960.70 and 993,048,088.20
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Solution
The fourth proportional to 3,322,035,126.60, 4,982,414,960.70 and 993,048,088.20 is: 1,489,381,497.42
Step by Step Solution
- Step 1: Write the proportion equation
3,322,035,126.60 : 4,982,414,960.70 = 993,048,088.20 : x - Step 2: Convert to fraction form
3,322,035,126.60/4,982,414,960.70 = 993,048,088.20/x - Step 3: Cross multiply
3,322,035,126.60x = 4,982,414,960.70 × 993,048,088.20 - Step 4: Simplify right side
3,322,035,126.60x = 4,947,777,651,342,213,120 - Step 5: Solve for x
x = 4,947,777,651,342,213,120/3,322,035,126.60 - Step 6: Final answer
x = 1,489,381,497.42
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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.