Finding the Fourth Proportional to 349,845,899.01, 482,790,645.84 and 199,131,194.26
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Solution
The fourth proportional to 349,845,899.01, 482,790,645.84 and 199,131,194.26 is: 274,802,929.39
Step by Step Solution
- Step 1: Write the proportion equation
349,845,899.01 : 482,790,645.84 = 199,131,194.26 : x - Step 2: Convert to fraction form
349,845,899.01/482,790,645.84 = 199,131,194.26/x - Step 3: Cross multiply
349,845,899.01x = 482,790,645.84 × 199,131,194.26 - Step 4: Simplify right side
349,845,899.01x = 96,138,677,883,675,888 - Step 5: Solve for x
x = 96,138,677,883,675,888/349,845,899.01 - Step 6: Final answer
x = 274,802,929.39
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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.