Finding the Fourth Proportional to 3,613,221,624.78, 4,986,331,819.29 and 2,027,430,869.94
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Solution
The fourth proportional to 3,613,221,624.78, 4,986,331,819.29 and 2,027,430,869.94 is: 2,797,902,843.51
Step by Step Solution
- Step 1: Write the proportion equation
3,613,221,624.78 : 4,986,331,819.29 = 2,027,430,869.94 : x - Step 2: Convert to fraction form
3,613,221,624.78/4,986,331,819.29 = 2,027,430,869.94/x - Step 3: Cross multiply
3,613,221,624.78x = 4,986,331,819.29 × 2,027,430,869.94 - Step 4: Simplify right side
3,613,221,624.78x = 10,109,443,058,192,627,712 - Step 5: Solve for x
x = 10,109,443,058,192,627,712/3,613,221,624.78 - Step 6: Final answer
x = 2,797,902,843.51
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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.