Finding the Fourth Proportional to 373,669,913.18, 560,504,869.77 and 367,212,905.03
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Solution
The fourth proportional to 373,669,913.18, 560,504,869.77 and 367,212,905.03 is: 550,819,357.55
Step by Step Solution
- Step 1: Write the proportion equation
373,669,913.18 : 560,504,869.77 = 367,212,905.03 : x - Step 2: Convert to fraction form
373,669,913.18/560,504,869.77 = 367,212,905.03/x - Step 3: Cross multiply
373,669,913.18x = 560,504,869.77 × 367,212,905.03 - Step 4: Simplify right side
373,669,913.18x = 205,824,621,511,703,520 - Step 5: Solve for x
x = 205,824,621,511,703,520/373,669,913.18 - Step 6: Final answer
x = 550,819,357.55
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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.