Finding the Fourth Proportional to 342,853,287.84, 473,129,489.88 and 201,733,648.47
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Solution
The fourth proportional to 342,853,287.84, 473,129,489.88 and 201,733,648.47 is: 278,387,699.86
Step by Step Solution
- Step 1: Write the proportion equation
342,853,287.84 : 473,129,489.88 = 201,733,648.47 : x - Step 2: Convert to fraction form
342,853,287.84/473,129,489.88 = 201,733,648.47/x - Step 3: Cross multiply
342,853,287.84x = 473,129,489.88 × 201,733,648.47 - Step 4: Simplify right side
342,853,287.84x = 95,446,138,192,242,336 - Step 5: Solve for x
x = 95,446,138,192,242,336/342,853,287.84 - Step 6: Final answer
x = 278,387,699.86
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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.