Finding the Fourth Proportional to 358,485,772.68, 494,725,634.42 and 199,715,805.63
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Solution
The fourth proportional to 358,485,772.68, 494,725,634.42 and 199,715,805.63 is: 275,616,317.78
Step by Step Solution
- Step 1: Write the proportion equation
358,485,772.68 : 494,725,634.42 = 199,715,805.63 : x - Step 2: Convert to fraction form
358,485,772.68/494,725,634.42 = 199,715,805.63/x - Step 3: Cross multiply
358,485,772.68x = 494,725,634.42 × 199,715,805.63 - Step 4: Simplify right side
358,485,772.68x = 98,804,528,643,004,576 - Step 5: Solve for x
x = 98,804,528,643,004,576/358,485,772.68 - Step 6: Final answer
x = 275,616,317.78
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.