Finding the Fourth Proportional to 313,568,704.32, 432,749,051.01 and 188,125,621.08
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Solution
The fourth proportional to 313,568,704.32, 432,749,051.01 and 188,125,621.08 is: 259,627,899.31
Step by Step Solution
- Step 1: Write the proportion equation
313,568,704.32 : 432,749,051.01 = 188,125,621.08 : x - Step 2: Convert to fraction form
313,568,704.32/432,749,051.01 = 188,125,621.08/x - Step 3: Cross multiply
313,568,704.32x = 432,749,051.01 × 188,125,621.08 - Step 4: Simplify right side
313,568,704.32x = 81,411,183,993,036,848 - Step 5: Solve for x
x = 81,411,183,993,036,848/313,568,704.32 - Step 6: Final answer
x = 259,627,899.31
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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.