Finding the Fourth Proportional to 244,829,803.20, 367,244,704.80 and 212,943,343.20
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Solution
The fourth proportional to 244,829,803.20, 367,244,704.80 and 212,943,343.20 is: 319,415,014.80
Step by Step Solution
- Step 1: Write the proportion equation
244,829,803.20 : 367,244,704.80 = 212,943,343.20 : x - Step 2: Convert to fraction form
244,829,803.20/367,244,704.80 = 212,943,343.20/x - Step 3: Cross multiply
244,829,803.20x = 367,244,704.80 × 212,943,343.20 - Step 4: Simplify right side
244,829,803.20x = 78,202,315,212,609,088 - Step 5: Solve for x
x = 78,202,315,212,609,088/244,829,803.20 - Step 6: Final answer
x = 319,415,014.80
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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.