Finding the Fourth Proportional to 725,720,687.98, 1,088,585,362.24 and 180,462,221.98
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Solution
The fourth proportional to 725,720,687.98, 1,088,585,362.24 and 180,462,221.98 is: 270,694,409.76
Step by Step Solution
- Step 1: Write the proportion equation
725,720,687.98 : 1,088,585,362.24 = 180,462,221.98 : x - Step 2: Convert to fraction form
725,720,687.98/1,088,585,362.24 = 180,462,221.98/x - Step 3: Cross multiply
725,720,687.98x = 1,088,585,362.24 × 180,462,221.98 - Step 4: Simplify right side
725,720,687.98x = 196,448,533,284,733,568 - Step 5: Solve for x
x = 196,448,533,284,733,568/725,720,687.98 - Step 6: Final answer
x = 270,694,409.76
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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.