Finding the Fourth Proportional to 946,729,752.80, 1,420,094,629.20 and 533,481,231.20
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Solution
The fourth proportional to 946,729,752.80, 1,420,094,629.20 and 533,481,231.20 is: 800,221,846.80
Step by Step Solution
- Step 1: Write the proportion equation
946,729,752.80 : 1,420,094,629.20 = 533,481,231.20 : x - Step 2: Convert to fraction form
946,729,752.80/1,420,094,629.20 = 533,481,231.20/x - Step 3: Cross multiply
946,729,752.80x = 1,420,094,629.20 × 533,481,231.20 - Step 4: Simplify right side
946,729,752.80x = 757,593,831,206,123,520 - Step 5: Solve for x
x = 757,593,831,206,123,520/946,729,752.80 - Step 6: Final answer
x = 800,221,846.80
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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.