Finding the Fourth Proportional to 556,787,436.80, 835,659,452.10 and 246,372,748.70
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Solution
The fourth proportional to 556,787,436.80, 835,659,452.10 and 246,372,748.70 is: 369,770,764.54
Step by Step Solution
- Step 1: Write the proportion equation
556,787,436.80 : 835,659,452.10 = 246,372,748.70 : x - Step 2: Convert to fraction form
556,787,436.80/835,659,452.10 = 246,372,748.70/x - Step 3: Cross multiply
556,787,436.80x = 835,659,452.10 × 246,372,748.70 - Step 4: Simplify right side
556,787,436.80x = 205,883,716,191,012,992 - Step 5: Solve for x
x = 205,883,716,191,012,992/556,787,436.80 - Step 6: Final answer
x = 369,770,764.54
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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.