Finding the Fourth Proportional to 2,135,491,634.80, 3,203,237,452.20 and 908,700,108.40
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Solution
The fourth proportional to 2,135,491,634.80, 3,203,237,452.20 and 908,700,108.40 is: 1,363,050,162.60
Step by Step Solution
- Step 1: Write the proportion equation
2,135,491,634.80 : 3,203,237,452.20 = 908,700,108.40 : x - Step 2: Convert to fraction form
2,135,491,634.80/3,203,237,452.20 = 908,700,108.40/x - Step 3: Cross multiply
2,135,491,634.80x = 3,203,237,452.20 × 908,700,108.40 - Step 4: Simplify right side
2,135,491,634.80x = 2,910,782,220,045,079,552 - Step 5: Solve for x
x = 2,910,782,220,045,079,552/2,135,491,634.80 - Step 6: Final answer
x = 1,363,050,162.60
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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.