Finding the Fourth Proportional to 5,194,614,640.68, 7,791,812,794.14 and 1,264,342,725.18
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Solution
The fourth proportional to 5,194,614,640.68, 7,791,812,794.14 and 1,264,342,725.18 is: 1,896,487,517.11
Step by Step Solution
- Step 1: Write the proportion equation
5,194,614,640.68 : 7,791,812,794.14 = 1,264,342,725.18 : x - Step 2: Convert to fraction form
5,194,614,640.68/7,791,812,794.14 = 1,264,342,725.18/x - Step 3: Cross multiply
5,194,614,640.68x = 7,791,812,794.14 × 1,264,342,725.18 - Step 4: Simplify right side
5,194,614,640.68x = 9,851,521,822,235,359,232 - Step 5: Solve for x
x = 9,851,521,822,235,359,232/5,194,614,640.68 - Step 6: Final answer
x = 1,896,487,517.11
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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.