Finding the Fourth Proportional to 510,984,109.20, 766,476,163.80 and 295,321,414.80
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Solution
The fourth proportional to 510,984,109.20, 766,476,163.80 and 295,321,414.80 is: 442,982,122.20
Step by Step Solution
- Step 1: Write the proportion equation
510,984,109.20 : 766,476,163.80 = 295,321,414.80 : x - Step 2: Convert to fraction form
510,984,109.20/766,476,163.80 = 295,321,414.80/x - Step 3: Cross multiply
510,984,109.20x = 766,476,163.80 × 295,321,414.80 - Step 4: Simplify right side
510,984,109.20x = 226,356,825,103,892,544 - Step 5: Solve for x
x = 226,356,825,103,892,544/510,984,109.20 - Step 6: Final answer
x = 442,982,122.20
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Similar ratio
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1.5x scale
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.