Finding the Fourth Proportional to 2,835,354,421.26, 4,253,031,631.87 and 765,072,861.66
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Solution
The fourth proportional to 2,835,354,421.26, 4,253,031,631.87 and 765,072,861.66 is: 1,147,609,292.48
Step by Step Solution
- Step 1: Write the proportion equation
2,835,354,421.26 : 4,253,031,631.87 = 765,072,861.66 : x - Step 2: Convert to fraction form
2,835,354,421.26/4,253,031,631.87 = 765,072,861.66/x - Step 3: Cross multiply
2,835,354,421.26x = 4,253,031,631.87 × 765,072,861.66 - Step 4: Simplify right side
2,835,354,421.26x = 3,253,879,081,323,367,424 - Step 5: Solve for x
x = 3,253,879,081,323,367,424/2,835,354,421.26 - Step 6: Final answer
x = 1,147,609,292.48
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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.