Finding the Fourth Proportional to 1,129,848,346.99, 1,694,741,191.73 and 300,809,102.19
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Solution
The fourth proportional to 1,129,848,346.99, 1,694,741,191.73 and 300,809,102.19 is: 451,205,312.37
Step by Step Solution
- Step 1: Write the proportion equation
1,129,848,346.99 : 1,694,741,191.73 = 300,809,102.19 : x - Step 2: Convert to fraction form
1,129,848,346.99/1,694,741,191.73 = 300,809,102.19/x - Step 3: Cross multiply
1,129,848,346.99x = 1,694,741,191.73 × 300,809,102.19 - Step 4: Simplify right side
1,129,848,346.99x = 509,793,576,328,711,936 - Step 5: Solve for x
x = 509,793,576,328,711,936/1,129,848,346.99 - Step 6: Final answer
x = 451,205,312.37
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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.