Finding the Fourth Proportional to 460,040,626.12, 634,853,531.64 and 251,195,282.68
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Solution
The fourth proportional to 460,040,626.12, 634,853,531.64 and 251,195,282.68 is: 346,648,107.33
Step by Step Solution
- Step 1: Write the proportion equation
460,040,626.12 : 634,853,531.64 = 251,195,282.68 : x - Step 2: Convert to fraction form
460,040,626.12/634,853,531.64 = 251,195,282.68/x - Step 3: Cross multiply
460,040,626.12x = 634,853,531.64 × 251,195,282.68 - Step 4: Simplify right side
460,040,626.12x = 159,472,212,340,706,112 - Step 5: Solve for x
x = 159,472,212,340,706,112/460,040,626.12 - Step 6: Final answer
x = 346,648,107.33
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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.