Finding the Fourth Proportional to 415,835,269.74, 573,857,207.20 and 230,199,385.50
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Solution
The fourth proportional to 415,835,269.74, 573,857,207.20 and 230,199,385.50 is: 317,677,662.46
Step by Step Solution
- Step 1: Write the proportion equation
415,835,269.74 : 573,857,207.20 = 230,199,385.50 : x - Step 2: Convert to fraction form
415,835,269.74/573,857,207.20 = 230,199,385.50/x - Step 3: Cross multiply
415,835,269.74x = 573,857,207.20 × 230,199,385.50 - Step 4: Simplify right side
415,835,269.74x = 132,101,576,458,741,392 - Step 5: Solve for x
x = 132,101,576,458,741,392/415,835,269.74 - Step 6: Final answer
x = 317,677,662.46
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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.