Finding the Fourth Proportional to 2,512,782,079.80, 3,769,173,119.70 and 2,295,103,846.20
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Solution
The fourth proportional to 2,512,782,079.80, 3,769,173,119.70 and 2,295,103,846.20 is: 3,442,655,769.30
Step by Step Solution
- Step 1: Write the proportion equation
2,512,782,079.80 : 3,769,173,119.70 = 2,295,103,846.20 : x - Step 2: Convert to fraction form
2,512,782,079.80/3,769,173,119.70 = 2,295,103,846.20/x - Step 3: Cross multiply
2,512,782,079.80x = 3,769,173,119.70 × 2,295,103,846.20 - Step 4: Simplify right side
2,512,782,079.80x = 8,650,643,724,017,122,304 - Step 5: Solve for x
x = 8,650,643,724,017,122,304/2,512,782,079.80 - Step 6: Final answer
x = 3,442,655,769.30
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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.