Finding the Fourth Proportional to 4,079,732,858.20, 6,119,599,287.30 and 1,321,341,491.80
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Solution
The fourth proportional to 4,079,732,858.20, 6,119,599,287.30 and 1,321,341,491.80 is: 1,982,012,237.70
Step by Step Solution
- Step 1: Write the proportion equation
4,079,732,858.20 : 6,119,599,287.30 = 1,321,341,491.80 : x - Step 2: Convert to fraction form
4,079,732,858.20/6,119,599,287.30 = 1,321,341,491.80/x - Step 3: Cross multiply
4,079,732,858.20x = 6,119,599,287.30 × 1,321,341,491.80 - Step 4: Simplify right side
4,079,732,858.20x = 8,086,080,451,499,198,464 - Step 5: Solve for x
x = 8,086,080,451,499,198,464/4,079,732,858.20 - Step 6: Final answer
x = 1,982,012,237.70
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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.