Finding the Fourth Proportional to 894,436,305.23, 1,342,267,306.74 and 312,170,550.62
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Solution
The fourth proportional to 894,436,305.23, 1,342,267,306.74 and 312,170,550.62 is: 468,469,718.61
Step by Step Solution
- Step 1: Write the proportion equation
894,436,305.23 : 1,342,267,306.74 = 312,170,550.62 : x - Step 2: Convert to fraction form
894,436,305.23/1,342,267,306.74 = 312,170,550.62/x - Step 3: Cross multiply
894,436,305.23x = 1,342,267,306.74 × 312,170,550.62 - Step 4: Simplify right side
894,436,305.23x = 419,016,324,224,250,240 - Step 5: Solve for x
x = 419,016,324,224,250,240/894,436,305.23 - Step 6: Final answer
x = 468,469,718.61
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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.