Finding the Fourth Proportional to 284,126,420.26, 389,246,682.22 and 273,503,707.08
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Solution
The fourth proportional to 284,126,420.26, 389,246,682.22 and 273,503,707.08 is: 374,693,808.68
Step by Step Solution
- Step 1: Write the proportion equation
284,126,420.26 : 389,246,682.22 = 273,503,707.08 : x - Step 2: Convert to fraction form
284,126,420.26/389,246,682.22 = 273,503,707.08/x - Step 3: Cross multiply
284,126,420.26x = 389,246,682.22 × 273,503,707.08 - Step 4: Simplify right side
284,126,420.26x = 106,460,410,554,388,576 - Step 5: Solve for x
x = 106,460,410,554,388,576/284,126,420.26 - Step 6: Final answer
x = 374,693,808.68
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.