Finding the Fourth Proportional to 84,419,520,762.08, 126,633,353,765.42 and 27,758,129,322.17
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Solution
The fourth proportional to 84,419,520,762.08, 126,633,353,765.42 and 27,758,129,322.17 is: 41,638,533,109.27
Step by Step Solution
- Step 1: Write the proportion equation
84,419,520,762.08 : 126,633,353,765.42 = 27,758,129,322.17 : x - Step 2: Convert to fraction form
84,419,520,762.08/126,633,353,765.42 = 27,758,129,322.17/x - Step 3: Cross multiply
84,419,520,762.08x = 126,633,353,765.42 × 27,758,129,322.17 - Step 4: Simplify right side
84,419,520,762.08x = 3,515,105,010,321,011,507,200 - Step 5: Solve for x
x = 3,515,105,010,321,011,507,200/84,419,520,762.08 - Step 6: Final answer
x = 41,638,533,109.27
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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.