Finding the Fourth Proportional to 342,853,378.24, 473,129,614.28 and 201,733,739.12
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Solution
The fourth proportional to 342,853,378.24, 473,129,614.28 and 201,733,739.12 is: 278,387,824.75
Step by Step Solution
- Step 1: Write the proportion equation
342,853,378.24 : 473,129,614.28 = 201,733,739.12 : x - Step 2: Convert to fraction form
342,853,378.24/473,129,614.28 = 201,733,739.12/x - Step 3: Cross multiply
342,853,378.24x = 473,129,614.28 × 201,733,739.12 - Step 4: Simplify right side
342,853,378.24x = 95,446,206,177,107,744 - Step 5: Solve for x
x = 95,446,206,177,107,744/342,853,378.24 - Step 6: Final answer
x = 278,387,824.75
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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.