Finding the Fourth Proportional to 5,903,743,759.68, 8,861,743,069.20 and 3,421,454,592
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Solution
The fourth proportional to 5,903,743,759.68, 8,861,743,069.20 and 3,421,454,592 is: 5,135,732,977.49
Step by Step Solution
- Step 1: Write the proportion equation
5,903,743,759.68 : 8,861,743,069.20 = 3,421,454,592 : x - Step 2: Convert to fraction form
5,903,743,759.68/8,861,743,069.20 = 3,421,454,592/x - Step 3: Cross multiply
5,903,743,759.68x = 8,861,743,069.20 × 3,421,454,592 - Step 4: Simplify right side
5,903,743,759.68x = 30,320,051,517,238,517,760 - Step 5: Solve for x
x = 30,320,051,517,238,517,760/5,903,743,759.68 - Step 6: Final answer
x = 5,135,732,977.49
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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.