Finding the Fourth Proportional to 321,608,529.36, 443,699,539.56 and 189,368,706.96
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Solution
The fourth proportional to 321,608,529.36, 443,699,539.56 and 189,368,706.96 is: 261,258,021.52
Step by Step Solution
- Step 1: Write the proportion equation
321,608,529.36 : 443,699,539.56 = 189,368,706.96 : x - Step 2: Convert to fraction form
321,608,529.36/443,699,539.56 = 189,368,706.96/x - Step 3: Cross multiply
321,608,529.36x = 443,699,539.56 × 189,368,706.96 - Step 4: Simplify right side
321,608,529.36x = 84,022,808,085,224,576 - Step 5: Solve for x
x = 84,022,808,085,224,576/321,608,529.36 - Step 6: Final answer
x = 261,258,021.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.