Finding the Fourth Proportional to 299,492,168.26, 413,320,579.12 and 165,527,202.60
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Solution
The fourth proportional to 299,492,168.26, 413,320,579.12 and 165,527,202.60 is: 228,439,359.99
Step by Step Solution
- Step 1: Write the proportion equation
299,492,168.26 : 413,320,579.12 = 165,527,202.60 : x - Step 2: Convert to fraction form
299,492,168.26/413,320,579.12 = 165,527,202.60/x - Step 3: Cross multiply
299,492,168.26x = 413,320,579.12 × 165,527,202.60 - Step 4: Simplify right side
299,492,168.26x = 68,415,799,238,745,568 - Step 5: Solve for x
x = 68,415,799,238,745,568/299,492,168.26 - Step 6: Final answer
x = 228,439,359.99
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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.