Finding the Fourth Proportional to 36,505,811,493,132, 50,379,228,030,838 and 20,063,699,714,920
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Solution
The fourth proportional to 36,505,811,493,132, 50,379,228,030,838 and 20,063,699,714,920 is: 27,688,569,620,493.96
Step by Step Solution
- Step 1: Write the proportion equation
36,505,811,493,132 : 50,379,228,030,838 = 20,063,699,714,920 : x - Step 2: Convert to fraction form
36,505,811,493,132/50,379,228,030,838 = 20,063,699,714,920/x - Step 3: Cross multiply
36,505,811,493,132x = 50,379,228,030,838 × 20,063,699,714,920 - Step 4: Simplify right side
36,505,811,493,132x = 1,010,793,703,080,213,992,563,539,968 - Step 5: Solve for x
x = 1,010,793,703,080,213,992,563,539,968/36,505,811,493,132 - Step 6: Final answer
x = 27,688,569,620,493.96
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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.