Finding the Fourth Proportional to 221,748,252.40, 332,622,378.60 and 221,748,252.40
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Solution
The fourth proportional to 221,748,252.40, 332,622,378.60 and 221,748,252.40 is: 332,622,378.60
Step by Step Solution
- Step 1: Write the proportion equation
221,748,252.40 : 332,622,378.60 = 221,748,252.40 : x - Step 2: Convert to fraction form
221,748,252.40/332,622,378.60 = 221,748,252.40/x - Step 3: Cross multiply
221,748,252.40x = 332,622,378.60 × 221,748,252.40 - Step 4: Simplify right side
221,748,252.40x = 73,758,431,163,681,168 - Step 5: Solve for x
x = 73,758,431,163,681,168/221,748,252.40 - Step 6: Final answer
x = 332,622,378.60
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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.