Finding the Fourth Proportional to 2,743,761,948.68, 3,786,391,483.67 and 1,554,330,915.81
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Solution
The fourth proportional to 2,743,761,948.68, 3,786,391,483.67 and 1,554,330,915.81 is: 2,144,976,660.70
Step by Step Solution
- Step 1: Write the proportion equation
2,743,761,948.68 : 3,786,391,483.67 = 1,554,330,915.81 : x - Step 2: Convert to fraction form
2,743,761,948.68/3,786,391,483.67 = 1,554,330,915.81/x - Step 3: Cross multiply
2,743,761,948.68x = 3,786,391,483.67 × 1,554,330,915.81 - Step 4: Simplify right side
2,743,761,948.68x = 5,885,305,342,431,861,760 - Step 5: Solve for x
x = 5,885,305,342,431,861,760/2,743,761,948.68 - Step 6: Final answer
x = 2,144,976,660.70
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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.