Finding the Fourth Proportional to 324,108,608.09, 447,269,901.03 and 177,430,892.09
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Solution
The fourth proportional to 324,108,608.09, 447,269,901.03 and 177,430,892.09 is: 244,854,643.05
Step by Step Solution
- Step 1: Write the proportion equation
324,108,608.09 : 447,269,901.03 = 177,430,892.09 : x - Step 2: Convert to fraction form
324,108,608.09/447,269,901.03 = 177,430,892.09/x - Step 3: Cross multiply
324,108,608.09x = 447,269,901.03 × 177,430,892.09 - Step 4: Simplify right side
324,108,608.09x = 79,359,497,544,758,912 - Step 5: Solve for x
x = 79,359,497,544,758,912/324,108,608.09 - Step 6: Final answer
x = 244,854,643.05
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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.