Finding the Fourth Proportional to 4,979,860,467.17, 7,465,193,883.71 and 2,490,555,246.14
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Solution
The fourth proportional to 4,979,860,467.17, 7,465,193,883.71 and 2,490,555,246.14 is: 3,733,533,883.75
Step by Step Solution
- Step 1: Write the proportion equation
4,979,860,467.17 : 7,465,193,883.71 = 2,490,555,246.14 : x - Step 2: Convert to fraction form
4,979,860,467.17/7,465,193,883.71 = 2,490,555,246.14/x - Step 3: Cross multiply
4,979,860,467.17x = 7,465,193,883.71 × 2,490,555,246.14 - Step 4: Simplify right side
4,979,860,467.17x = 18,592,477,790,526,181,376 - Step 5: Solve for x
x = 18,592,477,790,526,181,376/4,979,860,467.17 - Step 6: Final answer
x = 3,733,533,883.75
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Double scale
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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.