Finding the Fourth Proportional to 484,967,231.70, 727,450,847.55 and 239,441,489.70
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Solution
The fourth proportional to 484,967,231.70, 727,450,847.55 and 239,441,489.70 is: 359,162,234.55
Step by Step Solution
- Step 1: Write the proportion equation
484,967,231.70 : 727,450,847.55 = 239,441,489.70 : x - Step 2: Convert to fraction form
484,967,231.70/727,450,847.55 = 239,441,489.70/x - Step 3: Cross multiply
484,967,231.70x = 727,450,847.55 × 239,441,489.70 - Step 4: Simplify right side
484,967,231.70x = 174,181,914,620,899,584 - Step 5: Solve for x
x = 174,181,914,620,899,584/484,967,231.70 - Step 6: Final answer
x = 359,162,234.55
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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.