Finding the Fourth Proportional to 807,707,120.88, 1,211,685,948.24 and 341,370,508.18
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Solution
The fourth proportional to 807,707,120.88, 1,211,685,948.24 and 341,370,508.18 is: 512,108,705.26
Step by Step Solution
- Step 1: Write the proportion equation
807,707,120.88 : 1,211,685,948.24 = 341,370,508.18 : x - Step 2: Convert to fraction form
807,707,120.88/1,211,685,948.24 = 341,370,508.18/x - Step 3: Cross multiply
807,707,120.88x = 1,211,685,948.24 × 341,370,508.18 - Step 4: Simplify right side
807,707,120.88x = 413,633,847,906,233,216 - Step 5: Solve for x
x = 413,633,847,906,233,216/807,707,120.88 - Step 6: Final answer
x = 512,108,705.26
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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.