Finding the Fourth Proportional to 7,866,112,672.26, 10,855,247,161.05 and 4,479,024,722.04
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Solution
The fourth proportional to 7,866,112,672.26, 10,855,247,161.05 and 4,479,024,722.04 is: 6,181,060,763.30
Step by Step Solution
- Step 1: Write the proportion equation
7,866,112,672.26 : 10,855,247,161.05 = 4,479,024,722.04 : x - Step 2: Convert to fraction form
7,866,112,672.26/10,855,247,161.05 = 4,479,024,722.04/x - Step 3: Cross multiply
7,866,112,672.26x = 10,855,247,161.05 × 4,479,024,722.04 - Step 4: Simplify right side
7,866,112,672.26x = 48,620,920,398,197,473,280 - Step 5: Solve for x
x = 48,620,920,398,197,473,280/7,866,112,672.26 - Step 6: Final answer
x = 6,181,060,763.30
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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.