Finding the Fourth Proportional to 84,768,651,643.97, 127,177,789,622.37 and 27,334,330,312.22
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Solution
The fourth proportional to 84,768,651,643.97, 127,177,789,622.37 and 27,334,330,312.22 is: 41,009,496,346.79
Step by Step Solution
- Step 1: Write the proportion equation
84,768,651,643.97 : 127,177,789,622.37 = 27,334,330,312.22 : x - Step 2: Convert to fraction form
84,768,651,643.97/127,177,789,622.37 = 27,334,330,312.22/x - Step 3: Cross multiply
84,768,651,643.97x = 127,177,789,622.37 × 27,334,330,312.22 - Step 4: Simplify right side
84,768,651,643.97x = 3,476,319,709,915,886,649,344 - Step 5: Solve for x
x = 3,476,319,709,915,886,649,344/84,768,651,643.97 - Step 6: Final answer
x = 41,009,496,346.79
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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.