Finding the Fourth Proportional to 756,174,463.20, 1,134,261,694.80 and 295,959,679.20
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Solution
The fourth proportional to 756,174,463.20, 1,134,261,694.80 and 295,959,679.20 is: 443,939,518.80
Step by Step Solution
- Step 1: Write the proportion equation
756,174,463.20 : 1,134,261,694.80 = 295,959,679.20 : x - Step 2: Convert to fraction form
756,174,463.20/1,134,261,694.80 = 295,959,679.20/x - Step 3: Cross multiply
756,174,463.20x = 1,134,261,694.80 × 295,959,679.20 - Step 4: Simplify right side
756,174,463.20x = 335,695,727,321,856,256 - Step 5: Solve for x
x = 335,695,727,321,856,256/756,174,463.20 - Step 6: Final answer
x = 443,939,518.80
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1.5x scale
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.