Finding the Fourth Proportional to 221,489,201.90, 332,233,802.85 and 221,489,201.90
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Solution
The fourth proportional to 221,489,201.90, 332,233,802.85 and 221,489,201.90 is: 332,233,802.85
Step by Step Solution
- Step 1: Write the proportion equation
221,489,201.90 : 332,233,802.85 = 221,489,201.90 : x - Step 2: Convert to fraction form
221,489,201.90/332,233,802.85 = 221,489,201.90/x - Step 3: Cross multiply
221,489,201.90x = 332,233,802.85 × 221,489,201.90 - Step 4: Simplify right side
221,489,201.90x = 73,586,199,837,448,448 - Step 5: Solve for x
x = 73,586,199,837,448,448/221,489,201.90 - Step 6: Final answer
x = 332,233,802.85
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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.