Finding the Fourth Proportional to 3,926,631,841.80, 5,889,947,762.70 and 3,684,767,137.80
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Solution
The fourth proportional to 3,926,631,841.80, 5,889,947,762.70 and 3,684,767,137.80 is: 5,527,150,706.70
Step by Step Solution
- Step 1: Write the proportion equation
3,926,631,841.80 : 5,889,947,762.70 = 3,684,767,137.80 : x - Step 2: Convert to fraction form
3,926,631,841.80/5,889,947,762.70 = 3,684,767,137.80/x - Step 3: Cross multiply
3,926,631,841.80x = 5,889,947,762.70 × 3,684,767,137.80 - Step 4: Simplify right side
3,926,631,841.80x = 21,703,085,959,355,592,704 - Step 5: Solve for x
x = 21,703,085,959,355,592,704/3,926,631,841.80 - Step 6: Final answer
x = 5,527,150,706.70
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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.