Finding the Fourth Proportional to 3,225,310,531.40, 4,838,861,592.30 and 1,385,944,387.40
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Solution
The fourth proportional to 3,225,310,531.40, 4,838,861,592.30 and 1,385,944,387.40 is: 2,079,301,512.20
Step by Step Solution
- Step 1: Write the proportion equation
3,225,310,531.40 : 4,838,861,592.30 = 1,385,944,387.40 : x - Step 2: Convert to fraction form
3,225,310,531.40/4,838,861,592.30 = 1,385,944,387.40/x - Step 3: Cross multiply
3,225,310,531.40x = 4,838,861,592.30 × 1,385,944,387.40 - Step 4: Simplify right side
3,225,310,531.40x = 6,706,393,065,253,612,544 - Step 5: Solve for x
x = 6,706,393,065,253,612,544/3,225,310,531.40 - Step 6: Final answer
x = 2,079,301,512.20
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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.