Finding the Fourth Proportional to 725,751,912.27, 1,088,624,761.42 and 201,119,515.71
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Solution
The fourth proportional to 725,751,912.27, 1,088,624,761.42 and 201,119,515.71 is: 301,678,412.56
Step by Step Solution
- Step 1: Write the proportion equation
725,751,912.27 : 1,088,624,761.42 = 201,119,515.71 : x - Step 2: Convert to fraction form
725,751,912.27/1,088,624,761.42 = 201,119,515.71/x - Step 3: Cross multiply
725,751,912.27x = 1,088,624,761.42 × 201,119,515.71 - Step 4: Simplify right side
725,751,912.27x = 218,943,684,806,704,704 - Step 5: Solve for x
x = 218,943,684,806,704,704/725,751,912.27 - Step 6: Final answer
x = 301,678,412.56
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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.