Finding the Fourth Proportional to 415,835,274.36, 573,857,213.58 and 230,199,390.12
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Solution
The fourth proportional to 415,835,274.36, 573,857,213.58 and 230,199,390.12 is: 317,677,668.84
Step by Step Solution
- Step 1: Write the proportion equation
415,835,274.36 : 573,857,213.58 = 230,199,390.12 : x - Step 2: Convert to fraction form
415,835,274.36/573,857,213.58 = 230,199,390.12/x - Step 3: Cross multiply
415,835,274.36x = 573,857,213.58 × 230,199,390.12 - Step 4: Simplify right side
415,835,274.36x = 132,101,580,582,078,592 - Step 5: Solve for x
x = 132,101,580,582,078,592/415,835,274.36 - Step 6: Final answer
x = 317,677,668.84
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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.