Finding the Fourth Proportional to 957,642,205.78, 1,436,506,118.99 and 293,608,447.75
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Solution
The fourth proportional to 957,642,205.78, 1,436,506,118.99 and 293,608,447.75 is: 440,425,797.05
Step by Step Solution
- Step 1: Write the proportion equation
957,642,205.78 : 1,436,506,118.99 = 293,608,447.75 : x - Step 2: Convert to fraction form
957,642,205.78/1,436,506,118.99 = 293,608,447.75/x - Step 3: Cross multiply
957,642,205.78x = 1,436,506,118.99 × 293,608,447.75 - Step 4: Simplify right side
957,642,205.78x = 421,770,331,771,380,096 - Step 5: Solve for x
x = 421,770,331,771,380,096/957,642,205.78 - Step 6: Final answer
x = 440,425,797.05
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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.