Finding the Fourth Proportional to 3,419,443,388.20, 5,129,165,082.30 and 3,228,974,933.80
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Solution
The fourth proportional to 3,419,443,388.20, 5,129,165,082.30 and 3,228,974,933.80 is: 4,843,462,400.70
Step by Step Solution
- Step 1: Write the proportion equation
3,419,443,388.20 : 5,129,165,082.30 = 3,228,974,933.80 : x - Step 2: Convert to fraction form
3,419,443,388.20/5,129,165,082.30 = 3,228,974,933.80/x - Step 3: Cross multiply
3,419,443,388.20x = 5,129,165,082.30 × 3,228,974,933.80 - Step 4: Simplify right side
3,419,443,388.20x = 16,561,945,482,068,916,224 - Step 5: Solve for x
x = 16,561,945,482,068,916,224/3,419,443,388.20 - Step 6: Final answer
x = 4,843,462,400.70
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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.