Finding the Fourth Proportional to 1,062,979,810.80, 1,594,469,716.20 and 955,841,305.20
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Solution
The fourth proportional to 1,062,979,810.80, 1,594,469,716.20 and 955,841,305.20 is: 1,433,761,957.80
Step by Step Solution
- Step 1: Write the proportion equation
1,062,979,810.80 : 1,594,469,716.20 = 955,841,305.20 : x - Step 2: Convert to fraction form
1,062,979,810.80/1,594,469,716.20 = 955,841,305.20/x - Step 3: Cross multiply
1,062,979,810.80x = 1,594,469,716.20 × 955,841,305.20 - Step 4: Simplify right side
1,062,979,810.80x = 1,524,060,014,634,481,664 - Step 5: Solve for x
x = 1,524,060,014,634,481,664/1,062,979,810.80 - Step 6: Final answer
x = 1,433,761,957.80
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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.