Finding the Fourth Proportional to 370,221,347.80, 555,332,021.70 and 274,669,859.80
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Solution
The fourth proportional to 370,221,347.80, 555,332,021.70 and 274,669,859.80 is: 412,004,789.70
Step by Step Solution
- Step 1: Write the proportion equation
370,221,347.80 : 555,332,021.70 = 274,669,859.80 : x - Step 2: Convert to fraction form
370,221,347.80/555,332,021.70 = 274,669,859.80/x - Step 3: Cross multiply
370,221,347.80x = 555,332,021.70 × 274,669,859.80 - Step 4: Simplify right side
370,221,347.80x = 152,532,968,542,789,568 - Step 5: Solve for x
x = 152,532,968,542,789,568/370,221,347.80 - Step 6: Final answer
x = 412,004,789.70
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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.