Finding the Fourth Proportional to 5,156,299,359.51, 7,737,450,539.60 and 2,168,146,202.82
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Solution
The fourth proportional to 5,156,299,359.51, 7,737,450,539.60 and 2,168,146,202.82 is: 3,253,481,389.90
Step by Step Solution
- Step 1: Write the proportion equation
5,156,299,359.51 : 7,737,450,539.60 = 2,168,146,202.82 : x - Step 2: Convert to fraction form
5,156,299,359.51/7,737,450,539.60 = 2,168,146,202.82/x - Step 3: Cross multiply
5,156,299,359.51x = 7,737,450,539.60 × 2,168,146,202.82 - Step 4: Simplify right side
5,156,299,359.51x = 16,775,924,006,941,302,784 - Step 5: Solve for x
x = 16,775,924,006,941,302,784/5,156,299,359.51 - Step 6: Final answer
x = 3,253,481,389.90
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1.5x scale
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.