Finding the Fourth Proportional to 1,202,935,324.19, 1,660,396,724.19 and 726,550,023.65
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Solution
The fourth proportional to 1,202,935,324.19, 1,660,396,724.19 and 726,550,023.65 is: 1,002,847,996.04
Step by Step Solution
- Step 1: Write the proportion equation
1,202,935,324.19 : 1,660,396,724.19 = 726,550,023.65 : x - Step 2: Convert to fraction form
1,202,935,324.19/1,660,396,724.19 = 726,550,023.65/x - Step 3: Cross multiply
1,202,935,324.19x = 1,660,396,724.19 × 726,550,023.65 - Step 4: Simplify right side
1,202,935,324.19x = 1,206,361,279,220,325,120 - Step 5: Solve for x
x = 1,206,361,279,220,325,120/1,202,935,324.19 - Step 6: Final answer
x = 1,002,847,996.04
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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.