Finding the Fourth Proportional to 2,198,408,082.70, 3,297,612,124.05 and 744,385,506.70
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Solution
The fourth proportional to 2,198,408,082.70, 3,297,612,124.05 and 744,385,506.70 is: 1,116,578,260.05
Step by Step Solution
- Step 1: Write the proportion equation
2,198,408,082.70 : 3,297,612,124.05 = 744,385,506.70 : x - Step 2: Convert to fraction form
2,198,408,082.70/3,297,612,124.05 = 744,385,506.70/x - Step 3: Cross multiply
2,198,408,082.70x = 3,297,612,124.05 × 744,385,506.70 - Step 4: Simplify right side
2,198,408,082.70x = 2,454,694,671,861,022,720 - Step 5: Solve for x
x = 2,454,694,671,861,022,720/2,198,408,082.70 - Step 6: Final answer
x = 1,116,578,260.05
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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.