Finding the Fourth Proportional to 677,586,526.62, 934,542,242.73 and 490,118,057.88
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Solution
The fourth proportional to 677,586,526.62, 934,542,242.73 and 490,118,057.88 is: 675,981,606.80
Step by Step Solution
- Step 1: Write the proportion equation
677,586,526.62 : 934,542,242.73 = 490,118,057.88 : x - Step 2: Convert to fraction form
677,586,526.62/934,542,242.73 = 490,118,057.88/x - Step 3: Cross multiply
677,586,526.62x = 934,542,242.73 × 490,118,057.88 - Step 4: Simplify right side
677,586,526.62x = 458,036,029,013,647,168 - Step 5: Solve for x
x = 458,036,029,013,647,168/677,586,526.62 - Step 6: Final answer
x = 675,981,606.80
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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.