Finding the Fourth Proportional to 1,750,382,129.27, 2,415,534,616.06 and 946,609,626.69
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Solution
The fourth proportional to 1,750,382,129.27, 2,415,534,616.06 and 946,609,626.69 is: 1,306,325,220.60
Step by Step Solution
- Step 1: Write the proportion equation
1,750,382,129.27 : 2,415,534,616.06 = 946,609,626.69 : x - Step 2: Convert to fraction form
1,750,382,129.27/2,415,534,616.06 = 946,609,626.69/x - Step 3: Cross multiply
1,750,382,129.27x = 2,415,534,616.06 × 946,609,626.69 - Step 4: Simplify right side
1,750,382,129.27x = 2,286,568,321,162,962,688 - Step 5: Solve for x
x = 2,286,568,321,162,962,688/1,750,382,129.27 - Step 6: Final answer
x = 1,306,325,220.60
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1.5x scale
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.