Finding the Fourth Proportional to 348,865,872.05, 481,413,207.66 and 192,224,213.21
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Solution
The fourth proportional to 348,865,872.05, 481,413,207.66 and 192,224,213.21 is: 265,257,459.92
Step by Step Solution
- Step 1: Write the proportion equation
348,865,872.05 : 481,413,207.66 = 192,224,213.21 : x - Step 2: Convert to fraction form
348,865,872.05/481,413,207.66 = 192,224,213.21/x - Step 3: Cross multiply
348,865,872.05x = 481,413,207.66 × 192,224,213.21 - Step 4: Simplify right side
348,865,872.05x = 92,539,275,071,345,856 - Step 5: Solve for x
x = 92,539,275,071,345,856/348,865,872.05 - Step 6: Final answer
x = 265,257,459.92
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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.