Finding the Fourth Proportional to 413,727,794.20, 620,591,691.30 and 183,452,440.60
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Solution
The fourth proportional to 413,727,794.20, 620,591,691.30 and 183,452,440.60 is: 275,178,660.90
Step by Step Solution
- Step 1: Write the proportion equation
413,727,794.20 : 620,591,691.30 = 183,452,440.60 : x - Step 2: Convert to fraction form
413,727,794.20/620,591,691.30 = 183,452,440.60/x - Step 3: Cross multiply
413,727,794.20x = 620,591,691.30 × 183,452,440.60 - Step 4: Simplify right side
413,727,794.20x = 113,849,060,385,066,768 - Step 5: Solve for x
x = 113,849,060,385,066,768/413,727,794.20 - Step 6: Final answer
x = 275,178,660.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.