Finding the Fourth Proportional to 299,381,627.80, 449,072,441.70 and 276,986,747.80
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Solution
The fourth proportional to 299,381,627.80, 449,072,441.70 and 276,986,747.80 is: 415,480,121.70
Step by Step Solution
- Step 1: Write the proportion equation
299,381,627.80 : 449,072,441.70 = 276,986,747.80 : x - Step 2: Convert to fraction form
299,381,627.80/449,072,441.70 = 276,986,747.80/x - Step 3: Cross multiply
299,381,627.80x = 449,072,441.70 × 276,986,747.80 - Step 4: Simplify right side
299,381,627.80x = 124,387,115,153,088,112 - Step 5: Solve for x
x = 124,387,115,153,088,112/299,381,627.80 - Step 6: Final answer
x = 415,480,121.70
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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.