Finding the Fourth Proportional to 326,449,427.36, 450,500,237.98 and 177,770,503.85
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Solution
The fourth proportional to 326,449,427.36, 450,500,237.98 and 177,770,503.85 is: 245,323,310.68
Step by Step Solution
- Step 1: Write the proportion equation
326,449,427.36 : 450,500,237.98 = 177,770,503.85 : x - Step 2: Convert to fraction form
326,449,427.36/450,500,237.98 = 177,770,503.85/x - Step 3: Cross multiply
326,449,427.36x = 450,500,237.98 × 177,770,503.85 - Step 4: Simplify right side
326,449,427.36x = 80,085,654,290,931,328 - Step 5: Solve for x
x = 80,085,654,290,931,328/326,449,427.36 - Step 6: Final answer
x = 245,323,310.68
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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.