Finding the Fourth Proportional to 373,579,999.80, 560,369,999.70 and 201,393,115.80
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Solution
The fourth proportional to 373,579,999.80, 560,369,999.70 and 201,393,115.80 is: 302,089,673.70
Step by Step Solution
- Step 1: Write the proportion equation
373,579,999.80 : 560,369,999.70 = 201,393,115.80 : x - Step 2: Convert to fraction form
373,579,999.80/560,369,999.70 = 201,393,115.80/x - Step 3: Cross multiply
373,579,999.80x = 560,369,999.70 × 201,393,115.80 - Step 4: Simplify right side
373,579,999.80x = 112,854,660,240,428,080 - Step 5: Solve for x
x = 112,854,660,240,428,080/373,579,999.80 - Step 6: Final answer
x = 302,089,673.70
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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.