Finding the Fourth Proportional to 284,126,421.26, 389,246,683.59 and 273,503,708.08
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Solution
The fourth proportional to 284,126,421.26, 389,246,683.59 and 273,503,708.08 is: 374,693,810.06
Step by Step Solution
- Step 1: Write the proportion equation
284,126,421.26 : 389,246,683.59 = 273,503,708.08 : x - Step 2: Convert to fraction form
284,126,421.26/389,246,683.59 = 273,503,708.08/x - Step 3: Cross multiply
284,126,421.26x = 389,246,683.59 × 273,503,708.08 - Step 4: Simplify right side
284,126,421.26x = 106,460,411,319,707,472 - Step 5: Solve for x
x = 106,460,411,319,707,472/284,126,421.26 - Step 6: Final answer
x = 374,693,810.06
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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.