Finding the Fourth Proportional to 8,275,700,440.80, 12,419,597,278.80 and 5,826,820,312.80
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Solution
The fourth proportional to 8,275,700,440.80, 12,419,597,278.80 and 5,826,820,312.80 is: 8,744,487,819.32
Step by Step Solution
- Step 1: Write the proportion equation
8,275,700,440.80 : 12,419,597,278.80 = 5,826,820,312.80 : x - Step 2: Convert to fraction form
8,275,700,440.80/12,419,597,278.80 = 5,826,820,312.80/x - Step 3: Cross multiply
8,275,700,440.80x = 12,419,597,278.80 × 5,826,820,312.80 - Step 4: Simplify right side
8,275,700,440.80x = 72,366,761,700,907,442,176 - Step 5: Solve for x
x = 72,366,761,700,907,442,176/8,275,700,440.80 - Step 6: Final answer
x = 8,744,487,819.32
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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.