Finding the Fourth Proportional to 667,705,099.80, 1,001,557,649.70 and 323,331,331.80
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Solution
The fourth proportional to 667,705,099.80, 1,001,557,649.70 and 323,331,331.80 is: 484,996,997.70
Step by Step Solution
- Step 1: Write the proportion equation
667,705,099.80 : 1,001,557,649.70 = 323,331,331.80 : x - Step 2: Convert to fraction form
667,705,099.80/1,001,557,649.70 = 323,331,331.80/x - Step 3: Cross multiply
667,705,099.80x = 1,001,557,649.70 × 323,331,331.80 - Step 4: Simplify right side
667,705,099.80x = 323,834,968,751,978,880 - Step 5: Solve for x
x = 323,834,968,751,978,880/667,705,099.80 - Step 6: Final answer
x = 484,996,997.70
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1.5x scale
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.