Finding the Fourth Proportional to 658,096,177.80, 987,144,266.70 and 335,609,905.80
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Solution
The fourth proportional to 658,096,177.80, 987,144,266.70 and 335,609,905.80 is: 503,414,858.70
Step by Step Solution
- Step 1: Write the proportion equation
658,096,177.80 : 987,144,266.70 = 335,609,905.80 : x - Step 2: Convert to fraction form
658,096,177.80/987,144,266.70 = 335,609,905.80/x - Step 3: Cross multiply
658,096,177.80x = 987,144,266.70 × 335,609,905.80 - Step 4: Simplify right side
658,096,177.80x = 331,295,394,358,197,120 - Step 5: Solve for x
x = 331,295,394,358,197,120/658,096,177.80 - Step 6: Final answer
x = 503,414,858.70
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Similar ratio
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1.5x scale
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.