Finding the Fourth Proportional to 2,227,990,450.41, 3,342,096,682.88 and 847,911,919.05
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Solution
The fourth proportional to 2,227,990,450.41, 3,342,096,682.88 and 847,911,919.05 is: 1,271,910,124.89
Step by Step Solution
- Step 1: Write the proportion equation
2,227,990,450.41 : 3,342,096,682.88 = 847,911,919.05 : x - Step 2: Convert to fraction form
2,227,990,450.41/3,342,096,682.88 = 847,911,919.05/x - Step 3: Cross multiply
2,227,990,450.41x = 3,342,096,682.88 × 847,911,919.05 - Step 4: Simplify right side
2,227,990,450.41x = 2,833,803,612,027,180,544 - Step 5: Solve for x
x = 2,833,803,612,027,180,544/2,227,990,450.41 - Step 6: Final answer
x = 1,271,910,124.89
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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.