Finding the Fourth Proportional to 84,419,520,982.18, 126,633,354,095.77 and 27,758,129,542.27
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Solution
The fourth proportional to 84,419,520,982.18, 126,633,354,095.77 and 27,758,129,542.27 is: 41,638,533,439.50
Step by Step Solution
- Step 1: Write the proportion equation
84,419,520,982.18 : 126,633,354,095.77 = 27,758,129,542.27 : x - Step 2: Convert to fraction form
84,419,520,982.18/126,633,354,095.77 = 27,758,129,542.27/x - Step 3: Cross multiply
84,419,520,982.18x = 126,633,354,095.77 × 27,758,129,542.27 - Step 4: Simplify right side
84,419,520,982.18x = 3,515,105,047,362,657,583,104 - Step 5: Solve for x
x = 3,515,105,047,362,657,583,104/84,419,520,982.18 - Step 6: Final answer
x = 41,638,533,439.50
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1.5x scale
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.