Finding the Fourth Proportional to 1,752,234,704.40, 2,628,181,243.80 and 459,770,192.40
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Solution
The fourth proportional to 1,752,234,704.40, 2,628,181,243.80 and 459,770,192.40 is: 689,610,468.90
Step by Step Solution
- Step 1: Write the proportion equation
1,752,234,704.40 : 2,628,181,243.80 = 459,770,192.40 : x - Step 2: Convert to fraction form
1,752,234,704.40/2,628,181,243.80 = 459,770,192.40/x - Step 3: Cross multiply
1,752,234,704.40x = 2,628,181,243.80 × 459,770,192.40 - Step 4: Simplify right side
1,752,234,704.40x = 1,208,359,396,123,997,440 - Step 5: Solve for x
x = 1,208,359,396,123,997,440/1,752,234,704.40 - Step 6: Final answer
x = 689,610,468.90
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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.