Finding the Fourth Proportional to 283,987,744.80, 425,981,617.20 and 253,376,743.20
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Solution
The fourth proportional to 283,987,744.80, 425,981,617.20 and 253,376,743.20 is: 380,065,114.80
Step by Step Solution
- Step 1: Write the proportion equation
283,987,744.80 : 425,981,617.20 = 253,376,743.20 : x - Step 2: Convert to fraction form
283,987,744.80/425,981,617.20 = 253,376,743.20/x - Step 3: Cross multiply
283,987,744.80x = 425,981,617.20 × 253,376,743.20 - Step 4: Simplify right side
283,987,744.80x = 107,933,834,829,205,088 - Step 5: Solve for x
x = 107,933,834,829,205,088/283,987,744.80 - Step 6: Final answer
x = 380,065,114.80
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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.