Finding the Fourth Proportional to 3,286,861,782.83, 4,930,364,451.58 and 1,977,858,826.91
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Solution
The fourth proportional to 3,286,861,782.83, 4,930,364,451.58 and 1,977,858,826.91 is: 2,966,831,432.15
Step by Step Solution
- Step 1: Write the proportion equation
3,286,861,782.83 : 4,930,364,451.58 = 1,977,858,826.91 : x - Step 2: Convert to fraction form
3,286,861,782.83/4,930,364,451.58 = 1,977,858,826.91/x - Step 3: Cross multiply
3,286,861,782.83x = 4,930,364,451.58 × 1,977,858,826.91 - Step 4: Simplify right side
3,286,861,782.83x = 9,751,564,850,441,197,568 - Step 5: Solve for x
x = 9,751,564,850,441,197,568/3,286,861,782.83 - Step 6: Final answer
x = 2,966,831,432.15
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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.