Finding the Fourth Proportional to 300,389,656.05, 449,777,193.99 and 190,620,517.50
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Solution
The fourth proportional to 300,389,656.05, 449,777,193.99 and 190,620,517.50 is: 285,418,488.12
Step by Step Solution
- Step 1: Write the proportion equation
300,389,656.05 : 449,777,193.99 = 190,620,517.50 : x - Step 2: Convert to fraction form
300,389,656.05/449,777,193.99 = 190,620,517.50/x - Step 3: Cross multiply
300,389,656.05x = 449,777,193.99 × 190,620,517.50 - Step 4: Simplify right side
300,389,656.05x = 85,736,761,478,071,696 - Step 5: Solve for x
x = 85,736,761,478,071,696/300,389,656.05 - Step 6: Final answer
x = 285,418,488.12
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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.