Finding the Fourth Proportional to 726,366,370.26, 1,089,542,375.12 and 332,781,555.26
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Solution
The fourth proportional to 726,366,370.26, 1,089,542,375.12 and 332,781,555.26 is: 499,169,043.28
Step by Step Solution
- Step 1: Write the proportion equation
726,366,370.26 : 1,089,542,375.12 = 332,781,555.26 : x - Step 2: Convert to fraction form
726,366,370.26/1,089,542,375.12 = 332,781,555.26/x - Step 3: Cross multiply
726,366,370.26x = 1,089,542,375.12 × 332,781,555.26 - Step 4: Simplify right side
726,366,370.26x = 362,579,606,114,107,904 - Step 5: Solve for x
x = 362,579,606,114,107,904/726,366,370.26 - Step 6: Final answer
x = 499,169,043.28
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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.