Finding the Fourth Proportional to 396,718,538.84, 593,782,915.48 and 291,646,067.84
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Solution
The fourth proportional to 396,718,538.84, 593,782,915.48 and 291,646,067.84 is: 436,517,166.44
Step by Step Solution
- Step 1: Write the proportion equation
396,718,538.84 : 593,782,915.48 = 291,646,067.84 : x - Step 2: Convert to fraction form
396,718,538.84/593,782,915.48 = 291,646,067.84/x - Step 3: Cross multiply
396,718,538.84x = 593,782,915.48 × 291,646,067.84 - Step 4: Simplify right side
396,718,538.84x = 173,174,452,448,841,728 - Step 5: Solve for x
x = 173,174,452,448,841,728/396,718,538.84 - Step 6: Final answer
x = 436,517,166.44
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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.