Finding the Fourth Proportional to 415,835,269.99, 573,857,207.54 and 230,199,385.75
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Solution
The fourth proportional to 415,835,269.99, 573,857,207.54 and 230,199,385.75 is: 317,677,662.81
Step by Step Solution
- Step 1: Write the proportion equation
415,835,269.99 : 573,857,207.54 = 230,199,385.75 : x - Step 2: Convert to fraction form
415,835,269.99/573,857,207.54 = 230,199,385.75/x - Step 3: Cross multiply
415,835,269.99x = 573,857,207.54 × 230,199,385.75 - Step 4: Simplify right side
415,835,269.99x = 132,101,576,683,918,256 - Step 5: Solve for x
x = 132,101,576,683,918,256/415,835,269.99 - Step 6: Final answer
x = 317,677,662.81
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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.