Finding the Fourth Proportional to 4,979,860,466.17, 7,465,193,882.21 and 2,490,555,245.14
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Solution
The fourth proportional to 4,979,860,466.17, 7,465,193,882.21 and 2,490,555,245.14 is: 3,733,533,882.26
Step by Step Solution
- Step 1: Write the proportion equation
4,979,860,466.17 : 7,465,193,882.21 = 2,490,555,245.14 : x - Step 2: Convert to fraction form
4,979,860,466.17/7,465,193,882.21 = 2,490,555,245.14/x - Step 3: Cross multiply
4,979,860,466.17x = 7,465,193,882.21 × 2,490,555,245.14 - Step 4: Simplify right side
4,979,860,466.17x = 18,592,477,779,353,522,176 - Step 5: Solve for x
x = 18,592,477,779,353,522,176/4,979,860,466.17 - Step 6: Final answer
x = 3,733,533,882.26
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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.