Finding the Fourth Proportional to 1,081,838,132.87, 1,622,343,540.30 and 590,288,672.07
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Solution
The fourth proportional to 1,081,838,132.87, 1,622,343,540.30 and 590,288,672.07 is: 885,207,301.31
Step by Step Solution
- Step 1: Write the proportion equation
1,081,838,132.87 : 1,622,343,540.30 = 590,288,672.07 : x - Step 2: Convert to fraction form
1,081,838,132.87/1,622,343,540.30 = 590,288,672.07/x - Step 3: Cross multiply
1,081,838,132.87x = 1,622,343,540.30 × 590,288,672.07 - Step 4: Simplify right side
1,081,838,132.87x = 957,651,014,042,845,568 - Step 5: Solve for x
x = 957,651,014,042,845,568/1,081,838,132.87 - Step 6: Final answer
x = 885,207,301.31
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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.