Finding the Fourth Proportional to 457,968,368.49, 685,219,093.88 and 271,322,556.81
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Solution
The fourth proportional to 457,968,368.49, 685,219,093.88 and 271,322,556.81 is: 405,956,850.55
Step by Step Solution
- Step 1: Write the proportion equation
457,968,368.49 : 685,219,093.88 = 271,322,556.81 : x - Step 2: Convert to fraction form
457,968,368.49/685,219,093.88 = 271,322,556.81/x - Step 3: Cross multiply
457,968,368.49x = 685,219,093.88 × 271,322,556.81 - Step 4: Simplify right side
457,968,368.49x = 185,915,396,525,196,416 - Step 5: Solve for x
x = 185,915,396,525,196,416/457,968,368.49 - Step 6: Final answer
x = 405,956,850.55
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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.