Finding the Fourth Proportional to 512,261,064.56, 706,920,119.34 and 277,311,550.70
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Solution
The fourth proportional to 512,261,064.56, 706,920,119.34 and 277,311,550.70 is: 382,689,858.90
Step by Step Solution
- Step 1: Write the proportion equation
512,261,064.56 : 706,920,119.34 = 277,311,550.70 : x - Step 2: Convert to fraction form
512,261,064.56/706,920,119.34 = 277,311,550.70/x - Step 3: Cross multiply
512,261,064.56x = 706,920,119.34 × 277,311,550.70 - Step 4: Simplify right side
512,261,064.56x = 196,037,114,515,204,448 - Step 5: Solve for x
x = 196,037,114,515,204,448/512,261,064.56 - Step 6: Final answer
x = 382,689,858.90
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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.