Finding the Fourth Proportional to 373,389,318.14, 515,263,747.16 and 206,121,986.75
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Solution
The fourth proportional to 373,389,318.14, 515,263,747.16 and 206,121,986.75 is: 284,440,882.77
Step by Step Solution
- Step 1: Write the proportion equation
373,389,318.14 : 515,263,747.16 = 206,121,986.75 : x - Step 2: Convert to fraction form
373,389,318.14/515,263,747.16 = 206,121,986.75/x - Step 3: Cross multiply
373,389,318.14x = 515,263,747.16 × 206,121,986.75 - Step 4: Simplify right side
373,389,318.14x = 106,207,187,266,672,336 - Step 5: Solve for x
x = 106,207,187,266,672,336/373,389,318.14 - Step 6: Final answer
x = 284,440,882.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.