Finding the Fourth Proportional to 726,366,405.75, 1,089,542,428.51 and 332,781,590.94
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Solution
The fourth proportional to 726,366,405.75, 1,089,542,428.51 and 332,781,590.94 is: 499,169,096.87
Step by Step Solution
- Step 1: Write the proportion equation
726,366,405.75 : 1,089,542,428.51 = 332,781,590.94 : x - Step 2: Convert to fraction form
726,366,405.75/1,089,542,428.51 = 332,781,590.94/x - Step 3: Cross multiply
726,366,405.75x = 1,089,542,428.51 × 332,781,590.94 - Step 4: Simplify right side
726,366,405.75x = 362,579,662,756,188,992 - Step 5: Solve for x
x = 362,579,662,756,188,992/726,366,405.75 - Step 6: Final answer
x = 499,169,096.87
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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.