Finding the Fourth Proportional to 365,082,410.24, 503,814,168.99 and 197,818,542.12
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Solution
The fourth proportional to 365,082,410.24, 503,814,168.99 and 197,818,542.12 is: 272,989,828.09
Step by Step Solution
- Step 1: Write the proportion equation
365,082,410.24 : 503,814,168.99 = 197,818,542.12 : x - Step 2: Convert to fraction form
365,082,410.24/503,814,168.99 = 197,818,542.12/x - Step 3: Cross multiply
365,082,410.24x = 503,814,168.99 × 197,818,542.12 - Step 4: Simplify right side
365,082,410.24x = 99,663,784,409,001,120 - Step 5: Solve for x
x = 99,663,784,409,001,120/365,082,410.24 - Step 6: Final answer
x = 272,989,828.09
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1.5x scale
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.