Finding the Fourth Proportional to 330,274,807.20, 495,412,210.80 and 136,086,265.80
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Solution
The fourth proportional to 330,274,807.20, 495,412,210.80 and 136,086,265.80 is: 204,129,398.70
Step by Step Solution
- Step 1: Write the proportion equation
330,274,807.20 : 495,412,210.80 = 136,086,265.80 : x - Step 2: Convert to fraction form
330,274,807.20/495,412,210.80 = 136,086,265.80/x - Step 3: Cross multiply
330,274,807.20x = 495,412,210.80 × 136,086,265.80 - Step 4: Simplify right side
330,274,807.20x = 67,418,797,799,494,440 - Step 5: Solve for x
x = 67,418,797,799,494,440/330,274,807.20 - Step 6: Final answer
x = 204,129,398.70
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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.