Finding the Fourth Proportional to 6,261,979,867.98, 8,641,537,777.60 and 3,442,635,761.82
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Solution
The fourth proportional to 6,261,979,867.98, 8,641,537,777.60 and 3,442,635,761.82 is: 4,750,840,407.90
Step by Step Solution
- Step 1: Write the proportion equation
6,261,979,867.98 : 8,641,537,777.60 = 3,442,635,761.82 : x - Step 2: Convert to fraction form
6,261,979,867.98/8,641,537,777.60 = 3,442,635,761.82/x - Step 3: Cross multiply
6,261,979,867.98x = 8,641,537,777.60 × 3,442,635,761.82 - Step 4: Simplify right side
6,261,979,867.98x = 29,749,666,990,284,288,000 - Step 5: Solve for x
x = 29,749,666,990,284,288,000/6,261,979,867.98 - Step 6: Final answer
x = 4,750,840,407.90
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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.