Finding the Fourth Proportional to 887,729,489.08, 1,332,120,286.50 and 494,585,380.60
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Solution
The fourth proportional to 887,729,489.08, 1,332,120,286.50 and 494,585,380.60 is: 742,171,153.50
Step by Step Solution
- Step 1: Write the proportion equation
887,729,489.08 : 1,332,120,286.50 = 494,585,380.60 : x - Step 2: Convert to fraction form
887,729,489.08/1,332,120,286.50 = 494,585,380.60/x - Step 3: Cross multiply
887,729,489.08x = 1,332,120,286.50 × 494,585,380.60 - Step 4: Simplify right side
887,729,489.08x = 658,847,218,903,583,616 - Step 5: Solve for x
x = 658,847,218,903,583,616/887,729,489.08 - Step 6: Final answer
x = 742,171,153.50
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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.