Finding the Fourth Proportional to 2,192,221,005.36, 3,288,166,120.62 and 698,192,176.20
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Solution
The fourth proportional to 2,192,221,005.36, 3,288,166,120.62 and 698,192,176.20 is: 1,047,235,590.69
Step by Step Solution
- Step 1: Write the proportion equation
2,192,221,005.36 : 3,288,166,120.62 = 698,192,176.20 : x - Step 2: Convert to fraction form
2,192,221,005.36/3,288,166,120.62 = 698,192,176.20/x - Step 3: Cross multiply
2,192,221,005.36x = 3,288,166,120.62 × 698,192,176.20 - Step 4: Simplify right side
2,192,221,005.36x = 2,295,771,859,462,789,632 - Step 5: Solve for x
x = 2,295,771,859,462,789,632/2,192,221,005.36 - Step 6: Final answer
x = 1,047,235,590.69
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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.