Finding the Fourth Proportional to 490,600,691.04, 735,813,660.12 and 195,471,076.44
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Solution
The fourth proportional to 490,600,691.04, 735,813,660.12 and 195,471,076.44 is: 293,171,801.08
Step by Step Solution
- Step 1: Write the proportion equation
490,600,691.04 : 735,813,660.12 = 195,471,076.44 : x - Step 2: Convert to fraction form
490,600,691.04/735,813,660.12 = 195,471,076.44/x - Step 3: Cross multiply
490,600,691.04x = 735,813,660.12 × 195,471,076.44 - Step 4: Simplify right side
490,600,691.04x = 143,830,288,202,912,704 - Step 5: Solve for x
x = 143,830,288,202,912,704/490,600,691.04 - Step 6: Final answer
x = 293,171,801.08
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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.