Finding the Fourth Proportional to 348,168,187.40, 480,476,086.08 and 199,486,329.08
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Solution
The fourth proportional to 348,168,187.40, 480,476,086.08 and 199,486,329.08 is: 275,293,418.79
Step by Step Solution
- Step 1: Write the proportion equation
348,168,187.40 : 480,476,086.08 = 199,486,329.08 : x - Step 2: Convert to fraction form
348,168,187.40/480,476,086.08 = 199,486,329.08/x - Step 3: Cross multiply
348,168,187.40x = 480,476,086.08 × 199,486,329.08 - Step 4: Simplify right side
348,168,187.40x = 95,848,410,622,825,296 - Step 5: Solve for x
x = 95,848,410,622,825,296/348,168,187.40 - Step 6: Final answer
x = 275,293,418.79
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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.