Finding the Fourth Proportional to 484,967,213.20, 727,450,819.80 and 239,441,471.20
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Solution
The fourth proportional to 484,967,213.20, 727,450,819.80 and 239,441,471.20 is: 359,162,206.80
Step by Step Solution
- Step 1: Write the proportion equation
484,967,213.20 : 727,450,819.80 = 239,441,471.20 : x - Step 2: Convert to fraction form
484,967,213.20/727,450,819.80 = 239,441,471.20/x - Step 3: Cross multiply
484,967,213.20x = 727,450,819.80 × 239,441,471.20 - Step 4: Simplify right side
484,967,213.20x = 174,181,894,518,558,080 - Step 5: Solve for x
x = 174,181,894,518,558,080/484,967,213.20 - Step 6: Final answer
x = 359,162,206.80
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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.