Finding the Fourth Proportional to 1,628,981,602.20, 2,443,472,403.30 and 593,876,251.80
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Solution
The fourth proportional to 1,628,981,602.20, 2,443,472,403.30 and 593,876,251.80 is: 890,814,377.70
Step by Step Solution
- Step 1: Write the proportion equation
1,628,981,602.20 : 2,443,472,403.30 = 593,876,251.80 : x - Step 2: Convert to fraction form
1,628,981,602.20/2,443,472,403.30 = 593,876,251.80/x - Step 3: Cross multiply
1,628,981,602.20x = 2,443,472,403.30 × 593,876,251.80 - Step 4: Simplify right side
1,628,981,602.20x = 1,451,120,232,248,541,952 - Step 5: Solve for x
x = 1,451,120,232,248,541,952/1,628,981,602.20 - Step 6: Final answer
x = 890,814,377.70
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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.