Finding the Fourth Proportional to 957,642,207.28, 1,436,506,121.24 and 293,608,449.24
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Solution
The fourth proportional to 957,642,207.28, 1,436,506,121.24 and 293,608,449.24 is: 440,425,799.30
Step by Step Solution
- Step 1: Write the proportion equation
957,642,207.28 : 1,436,506,121.24 = 293,608,449.24 : x - Step 2: Convert to fraction form
957,642,207.28/1,436,506,121.24 = 293,608,449.24/x - Step 3: Cross multiply
957,642,207.28x = 1,436,506,121.24 × 293,608,449.24 - Step 4: Simplify right side
957,642,207.28x = 421,770,334,581,043,840 - Step 5: Solve for x
x = 421,770,334,581,043,840/957,642,207.28 - Step 6: Final answer
x = 440,425,799.30
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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.