Finding the Fourth Proportional to 8,486,985,957.49, 11,711,512,907.02 and 4,676,295,658.31
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Solution
The fourth proportional to 8,486,985,957.49, 11,711,512,907.02 and 4,676,295,658.31 is: 6,452,997,239.97
Step by Step Solution
- Step 1: Write the proportion equation
8,486,985,957.49 : 11,711,512,907.02 = 4,676,295,658.31 : x - Step 2: Convert to fraction form
8,486,985,957.49/11,711,512,907.02 = 4,676,295,658.31/x - Step 3: Cross multiply
8,486,985,957.49x = 11,711,512,907.02 × 4,676,295,658.31 - Step 4: Simplify right side
8,486,985,957.49x = 54,766,496,959,344,992,256 - Step 5: Solve for x
x = 54,766,496,959,344,992,256/8,486,985,957.49 - Step 6: Final answer
x = 6,452,997,239.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.