Finding the Fourth Proportional to 836,825,400.16, 1,255,419,687.44 and 254,544,512.08
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Solution
The fourth proportional to 836,825,400.16, 1,255,419,687.44 and 254,544,512.08 is: 381,872,003.09
Step by Step Solution
- Step 1: Write the proportion equation
836,825,400.16 : 1,255,419,687.44 = 254,544,512.08 : x - Step 2: Convert to fraction form
836,825,400.16/1,255,419,687.44 = 254,544,512.08/x - Step 3: Cross multiply
836,825,400.16x = 1,255,419,687.44 × 254,544,512.08 - Step 4: Simplify right side
836,825,400.16x = 319,560,191,795,040,960 - Step 5: Solve for x
x = 319,560,191,795,040,960/836,825,400.16 - Step 6: Final answer
x = 381,872,003.09
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1.5x scale
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.