Finding the Fourth Proportional to 3,092,847,992.64, 4,269,029,613.53 and 2,021,312,517.39
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Solution
The fourth proportional to 3,092,847,992.64, 4,269,029,613.53 and 2,021,312,517.39 is: 2,789,999,060.89
Step by Step Solution
- Step 1: Write the proportion equation
3,092,847,992.64 : 4,269,029,613.53 = 2,021,312,517.39 : x - Step 2: Convert to fraction form
3,092,847,992.64/4,269,029,613.53 = 2,021,312,517.39/x - Step 3: Cross multiply
3,092,847,992.64x = 4,269,029,613.53 × 2,021,312,517.39 - Step 4: Simplify right side
3,092,847,992.64x = 8,629,042,994,926,676,992 - Step 5: Solve for x
x = 8,629,042,994,926,676,992/3,092,847,992.64 - Step 6: Final answer
x = 2,789,999,060.89
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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.