Finding the Fourth Proportional to 373,669,911.18, 560,504,866.77 and 367,212,903.03
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Solution
The fourth proportional to 373,669,911.18, 560,504,866.77 and 367,212,903.03 is: 550,819,354.55
Step by Step Solution
- Step 1: Write the proportion equation
373,669,911.18 : 560,504,866.77 = 367,212,903.03 : x - Step 2: Convert to fraction form
373,669,911.18/560,504,866.77 = 367,212,903.03/x - Step 3: Cross multiply
373,669,911.18x = 560,504,866.77 × 367,212,903.03 - Step 4: Simplify right side
373,669,911.18x = 205,824,619,289,055,072 - Step 5: Solve for x
x = 205,824,619,289,055,072/373,669,911.18 - Step 6: Final answer
x = 550,819,354.55
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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.