Finding the Fourth Proportional to 1,614,868,263.36, 2,422,302,398.28 and 388,036,716.48
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Solution
The fourth proportional to 1,614,868,263.36, 2,422,302,398.28 and 388,036,716.48 is: 582,055,075.50
Step by Step Solution
- Step 1: Write the proportion equation
1,614,868,263.36 : 2,422,302,398.28 = 388,036,716.48 : x - Step 2: Convert to fraction form
1,614,868,263.36/2,422,302,398.28 = 388,036,716.48/x - Step 3: Cross multiply
1,614,868,263.36x = 2,422,302,398.28 × 388,036,716.48 - Step 4: Simplify right side
1,614,868,263.36x = 939,942,268,950,200,576 - Step 5: Solve for x
x = 939,942,268,950,200,576/1,614,868,263.36 - Step 6: Final answer
x = 582,055,075.50
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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.