Finding the Fourth Proportional to 556,787,438.80, 835,659,455.10 and 246,372,750.70
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Solution
The fourth proportional to 556,787,438.80, 835,659,455.10 and 246,372,750.70 is: 369,770,767.54
Step by Step Solution
- Step 1: Write the proportion equation
556,787,438.80 : 835,659,455.10 = 246,372,750.70 : x - Step 2: Convert to fraction form
556,787,438.80/835,659,455.10 = 246,372,750.70/x - Step 3: Cross multiply
556,787,438.80x = 835,659,455.10 × 246,372,750.70 - Step 4: Simplify right side
556,787,438.80x = 205,883,718,601,450,144 - Step 5: Solve for x
x = 205,883,718,601,450,144/556,787,438.80 - Step 6: Final answer
x = 369,770,767.54
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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.