Finding the Fourth Proportional to 364,915,887.24, 503,579,915.46 and 197,647,987.44
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Solution
The fourth proportional to 364,915,887.24, 503,579,915.46 and 197,647,987.44 is: 272,752,051.33
Step by Step Solution
- Step 1: Write the proportion equation
364,915,887.24 : 503,579,915.46 = 197,647,987.44 : x - Step 2: Convert to fraction form
364,915,887.24/503,579,915.46 = 197,647,987.44/x - Step 3: Cross multiply
364,915,887.24x = 503,579,915.46 × 197,647,987.44 - Step 4: Simplify right side
364,915,887.24x = 99,531,556,805,874,336 - Step 5: Solve for x
x = 99,531,556,805,874,336/364,915,887.24 - Step 6: Final answer
x = 272,752,051.33
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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.