Finding the Fourth Proportional to 494,864,108.07, 682,900,557.68 and 274,847,709.03
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Solution
The fourth proportional to 494,864,108.07, 682,900,557.68 and 274,847,709.03 is: 379,283,222.83
Step by Step Solution
- Step 1: Write the proportion equation
494,864,108.07 : 682,900,557.68 = 274,847,709.03 : x - Step 2: Convert to fraction form
494,864,108.07/682,900,557.68 = 274,847,709.03/x - Step 3: Cross multiply
494,864,108.07x = 682,900,557.68 × 274,847,709.03 - Step 4: Simplify right side
494,864,108.07x = 187,693,653,772,283,104 - Step 5: Solve for x
x = 187,693,653,772,283,104/494,864,108.07 - Step 6: Final answer
x = 379,283,222.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.