Finding the Fourth Proportional to 730,732,469.80, 1,096,098,704.70 and 185,474,003.80
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Solution
The fourth proportional to 730,732,469.80, 1,096,098,704.70 and 185,474,003.80 is: 278,211,005.70
Step by Step Solution
- Step 1: Write the proportion equation
730,732,469.80 : 1,096,098,704.70 = 185,474,003.80 : x - Step 2: Convert to fraction form
730,732,469.80/1,096,098,704.70 = 185,474,003.80/x - Step 3: Cross multiply
730,732,469.80x = 1,096,098,704.70 × 185,474,003.80 - Step 4: Simplify right side
730,732,469.80x = 203,297,815,320,702,912 - Step 5: Solve for x
x = 203,297,815,320,702,912/730,732,469.80 - Step 6: Final answer
x = 278,211,005.70
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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.