Finding the Fourth Proportional to 4,292,365,362.80, 6,438,548,044.20 and 3,680,145,330.80
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Solution
The fourth proportional to 4,292,365,362.80, 6,438,548,044.20 and 3,680,145,330.80 is: 5,520,217,996.20
Step by Step Solution
- Step 1: Write the proportion equation
4,292,365,362.80 : 6,438,548,044.20 = 3,680,145,330.80 : x - Step 2: Convert to fraction form
4,292,365,362.80/6,438,548,044.20 = 3,680,145,330.80/x - Step 3: Cross multiply
4,292,365,362.80x = 6,438,548,044.20 × 3,680,145,330.80 - Step 4: Simplify right side
4,292,365,362.80x = 23,694,792,521,994,100,736 - Step 5: Solve for x
x = 23,694,792,521,994,100,736/4,292,365,362.80 - Step 6: Final answer
x = 5,520,217,996.20
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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.