Finding the Fourth Proportional to 282,321,396.09, 389,633,884.71 and 170,873,569.26
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Solution
The fourth proportional to 282,321,396.09, 389,633,884.71 and 170,873,569.26 is: 235,823,899.67
Step by Step Solution
- Step 1: Write the proportion equation
282,321,396.09 : 389,633,884.71 = 170,873,569.26 : x - Step 2: Convert to fraction form
282,321,396.09/389,633,884.71 = 170,873,569.26/x - Step 3: Cross multiply
282,321,396.09x = 389,633,884.71 × 170,873,569.26 - Step 4: Simplify right side
282,321,396.09x = 66,578,132,585,037,032 - Step 5: Solve for x
x = 66,578,132,585,037,032/282,321,396.09 - Step 6: Final answer
x = 235,823,899.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.