Finding the Fourth Proportional to 470,964,564.92, 649,919,629.04 and 259,269,674.96
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Solution
The fourth proportional to 470,964,564.92, 649,919,629.04 and 259,269,674.96 is: 357,785,836.82
Step by Step Solution
- Step 1: Write the proportion equation
470,964,564.92 : 649,919,629.04 = 259,269,674.96 : x - Step 2: Convert to fraction form
470,964,564.92/649,919,629.04 = 259,269,674.96/x - Step 3: Cross multiply
470,964,564.92x = 649,919,629.04 × 259,269,674.96 - Step 4: Simplify right side
470,964,564.92x = 168,504,450,971,324,576 - Step 5: Solve for x
x = 168,504,450,971,324,576/470,964,564.92 - Step 6: Final answer
x = 357,785,836.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.