Finding the Fourth Proportional to 342,853,376.30, 473,129,611.60 and 201,733,737.18
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Solution
The fourth proportional to 342,853,376.30, 473,129,611.60 and 201,733,737.18 is: 278,387,822.07
Step by Step Solution
- Step 1: Write the proportion equation
342,853,376.30 : 473,129,611.60 = 201,733,737.18 : x - Step 2: Convert to fraction form
342,853,376.30/473,129,611.60 = 201,733,737.18/x - Step 3: Cross multiply
342,853,376.30x = 473,129,611.60 × 201,733,737.18 - Step 4: Simplify right side
342,853,376.30x = 95,446,204,716,224,240 - Step 5: Solve for x
x = 95,446,204,716,224,240/342,853,376.30 - Step 6: Final answer
x = 278,387,822.07
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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.