Finding the Fourth Proportional to 4,413,704,818.75, 6,623,660,197.86 and 3,991,715,374.93
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Solution
The fourth proportional to 4,413,704,818.75, 6,623,660,197.86 and 3,991,715,374.93 is: 5,990,379,360.62
Step by Step Solution
- Step 1: Write the proportion equation
4,413,704,818.75 : 6,623,660,197.86 = 3,991,715,374.93 : x - Step 2: Convert to fraction form
4,413,704,818.75/6,623,660,197.86 = 3,991,715,374.93/x - Step 3: Cross multiply
4,413,704,818.75x = 6,623,660,197.86 × 3,991,715,374.93 - Step 4: Simplify right side
4,413,704,818.75x = 26,439,766,250,109,644,800 - Step 5: Solve for x
x = 26,439,766,250,109,644,800/4,413,704,818.75 - Step 6: Final answer
x = 5,990,379,360.62
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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.