Finding the Fourth Proportional to 1,754,485,649.20, 2,631,728,473.80 and 1,478,986,634.80
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Solution
The fourth proportional to 1,754,485,649.20, 2,631,728,473.80 and 1,478,986,634.80 is: 2,218,479,952.20
Step by Step Solution
- Step 1: Write the proportion equation
1,754,485,649.20 : 2,631,728,473.80 = 1,478,986,634.80 : x - Step 2: Convert to fraction form
1,754,485,649.20/2,631,728,473.80 = 1,478,986,634.80/x - Step 3: Cross multiply
1,754,485,649.20x = 2,631,728,473.80 × 1,478,986,634.80 - Step 4: Simplify right side
1,754,485,649.20x = 3,892,291,239,172,802,048 - Step 5: Solve for x
x = 3,892,291,239,172,802,048/1,754,485,649.20 - Step 6: Final answer
x = 2,218,479,952.20
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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.