Finding the Fourth Proportional to 252,278,857.80, 378,418,286.70 and 184,254,409.80
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Solution
The fourth proportional to 252,278,857.80, 378,418,286.70 and 184,254,409.80 is: 276,381,614.70
Step by Step Solution
- Step 1: Write the proportion equation
252,278,857.80 : 378,418,286.70 = 184,254,409.80 : x - Step 2: Convert to fraction form
252,278,857.80/378,418,286.70 = 184,254,409.80/x - Step 3: Cross multiply
252,278,857.80x = 378,418,286.70 × 184,254,409.80 - Step 4: Simplify right side
252,278,857.80x = 69,725,238,073,435,688 - Step 5: Solve for x
x = 69,725,238,073,435,688/252,278,857.80 - Step 6: Final answer
x = 276,381,614.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.