Finding the Fourth Proportional to 330,261,668.20, 495,392,502.30 and 100,230,383.80
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Solution
The fourth proportional to 330,261,668.20, 495,392,502.30 and 100,230,383.80 is: 150,345,575.70
Step by Step Solution
- Step 1: Write the proportion equation
330,261,668.20 : 495,392,502.30 = 100,230,383.80 : x - Step 2: Convert to fraction form
330,261,668.20/495,392,502.30 = 100,230,383.80/x - Step 3: Cross multiply
330,261,668.20x = 495,392,502.30 × 100,230,383.80 - Step 4: Simplify right side
330,261,668.20x = 49,653,380,637,171,384 - Step 5: Solve for x
x = 49,653,380,637,171,384/330,261,668.20 - Step 6: Final answer
x = 150,345,575.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.