Finding the Fourth Proportional to 531,347,832.43, 733,525,476.94 and 330,469,455.62
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Solution
The fourth proportional to 531,347,832.43, 733,525,476.94 and 330,469,455.62 is: 456,212,955.53
Step by Step Solution
- Step 1: Write the proportion equation
531,347,832.43 : 733,525,476.94 = 330,469,455.62 : x - Step 2: Convert to fraction form
531,347,832.43/733,525,476.94 = 330,469,455.62/x - Step 3: Cross multiply
531,347,832.43x = 733,525,476.94 × 330,469,455.62 - Step 4: Simplify right side
531,347,832.43x = 242,407,765,048,148,992 - Step 5: Solve for x
x = 242,407,765,048,148,992/531,347,832.43 - Step 6: Final answer
x = 456,212,955.53
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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.