Finding the Fourth Proportional to 348,991,163.28, 481,579,486.56 and 202,322,895.12
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Solution
The fourth proportional to 348,991,163.28, 481,579,486.56 and 202,322,895.12 is: 279,189,177.84
Step by Step Solution
- Step 1: Write the proportion equation
348,991,163.28 : 481,579,486.56 = 202,322,895.12 : x - Step 2: Convert to fraction form
348,991,163.28/481,579,486.56 = 202,322,895.12/x - Step 3: Cross multiply
348,991,163.28x = 481,579,486.56 × 202,322,895.12 - Step 4: Simplify right side
348,991,163.28x = 97,434,555,951,222,336 - Step 5: Solve for x
x = 97,434,555,951,222,336/348,991,163.28 - Step 6: Final answer
x = 279,189,177.84
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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.