Finding the Fourth Proportional to 337,745,231.42, 465,848,144.34 and 309,957,674.18
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Solution
The fourth proportional to 337,745,231.42, 465,848,144.34 and 309,957,674.18 is: 427,521,083.67
Step by Step Solution
- Step 1: Write the proportion equation
337,745,231.42 : 465,848,144.34 = 309,957,674.18 : x - Step 2: Convert to fraction form
337,745,231.42/465,848,144.34 = 309,957,674.18/x - Step 3: Cross multiply
337,745,231.42x = 465,848,144.34 × 309,957,674.18 - Step 4: Simplify right side
337,745,231.42x = 144,393,207,340,695,328 - Step 5: Solve for x
x = 144,393,207,340,695,328/337,745,231.42 - Step 6: Final answer
x = 427,521,083.67
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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.