Finding the Fourth Proportional to 3,934,841,040.60, 5,430,067,452.98 and 2,150,693,460.19
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Solution
The fourth proportional to 3,934,841,040.60, 5,430,067,452.98 and 2,150,693,460.19 is: 2,967,949,769.51
Step by Step Solution
- Step 1: Write the proportion equation
3,934,841,040.60 : 5,430,067,452.98 = 2,150,693,460.19 : x - Step 2: Convert to fraction form
3,934,841,040.60/5,430,067,452.98 = 2,150,693,460.19/x - Step 3: Cross multiply
3,934,841,040.60x = 5,430,067,452.98 × 2,150,693,460.19 - Step 4: Simplify right side
3,934,841,040.60x = 11,678,410,559,514,654,720 - Step 5: Solve for x
x = 11,678,410,559,514,654,720/3,934,841,040.60 - Step 6: Final answer
x = 2,967,949,769.51
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.