Finding the Fourth Proportional to 415,835,276.99, 573,857,217.20 and 230,199,392.75
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Solution
The fourth proportional to 415,835,276.99, 573,857,217.20 and 230,199,392.75 is: 317,677,672.47
Step by Step Solution
- Step 1: Write the proportion equation
415,835,276.99 : 573,857,217.20 = 230,199,392.75 : x - Step 2: Convert to fraction form
415,835,276.99/573,857,217.20 = 230,199,392.75/x - Step 3: Cross multiply
415,835,276.99x = 573,857,217.20 × 230,199,392.75 - Step 4: Simplify right side
415,835,276.99x = 132,101,582,922,351,072 - Step 5: Solve for x
x = 132,101,582,922,351,072/415,835,276.99 - Step 6: Final answer
x = 317,677,672.47
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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.