Finding the Fourth Proportional to 3,033,554,297.87, 4,550,331,446.80 and 852,520,433.87
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Solution
The fourth proportional to 3,033,554,297.87, 4,550,331,446.80 and 852,520,433.87 is: 1,278,780,650.80
Step by Step Solution
- Step 1: Write the proportion equation
3,033,554,297.87 : 4,550,331,446.80 = 852,520,433.87 : x - Step 2: Convert to fraction form
3,033,554,297.87/4,550,331,446.80 = 852,520,433.87/x - Step 3: Cross multiply
3,033,554,297.87x = 4,550,331,446.80 × 852,520,433.87 - Step 4: Simplify right side
3,033,554,297.87x = 3,879,250,539,255,489,536 - Step 5: Solve for x
x = 3,879,250,539,255,489,536/3,033,554,297.87 - Step 6: Final answer
x = 1,278,780,650.80
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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.