Finding the Fourth Proportional to 5,925,261,691.16, 8,881,670,912.62 and 1,993,602,880.72
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Solution
The fourth proportional to 5,925,261,691.16, 8,881,670,912.62 and 1,993,602,880.72 is: 2,988,311,004.63
Step by Step Solution
- Step 1: Write the proportion equation
5,925,261,691.16 : 8,881,670,912.62 = 1,993,602,880.72 : x - Step 2: Convert to fraction form
5,925,261,691.16/8,881,670,912.62 = 1,993,602,880.72/x - Step 3: Cross multiply
5,925,261,691.16x = 8,881,670,912.62 × 1,993,602,880.72 - Step 4: Simplify right side
5,925,261,691.16x = 17,706,524,717,006,264,320 - Step 5: Solve for x
x = 17,706,524,717,006,264,320/5,925,261,691.16 - Step 6: Final answer
x = 2,988,311,004.63
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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.