Finding the Fourth Proportional to 3,694,985,272.23, 5,542,015,547.39 and 1,207,638,244.23
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Solution
The fourth proportional to 3,694,985,272.23, 5,542,015,547.39 and 1,207,638,244.23 is: 1,811,306,252.14
Step by Step Solution
- Step 1: Write the proportion equation
3,694,985,272.23 : 5,542,015,547.39 = 1,207,638,244.23 : x - Step 2: Convert to fraction form
3,694,985,272.23/5,542,015,547.39 = 1,207,638,244.23/x - Step 3: Cross multiply
3,694,985,272.23x = 5,542,015,547.39 × 1,207,638,244.23 - Step 4: Simplify right side
3,694,985,272.23x = 6,692,749,925,139,384,320 - Step 5: Solve for x
x = 6,692,749,925,139,384,320/3,694,985,272.23 - Step 6: Final answer
x = 1,811,306,252.14
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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.