Finding the Fourth Proportional to 274,617,507.24, 378,611,544.72 and 198,171,614.96
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Solution
The fourth proportional to 274,617,507.24, 378,611,544.72 and 198,171,614.96 is: 273,216,598.66
Step by Step Solution
- Step 1: Write the proportion equation
274,617,507.24 : 378,611,544.72 = 198,171,614.96 : x - Step 2: Convert to fraction form
274,617,507.24/378,611,544.72 = 198,171,614.96/x - Step 3: Cross multiply
274,617,507.24x = 378,611,544.72 × 198,171,614.96 - Step 4: Simplify right side
274,617,507.24x = 75,030,061,259,662,672 - Step 5: Solve for x
x = 75,030,061,259,662,672/274,617,507.24 - Step 6: Final answer
x = 273,216,598.66
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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.