Finding the Fourth Proportional to 3,883,192,993.60, 5,824,789,490.40 and 1,122,912,059.20
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Solution
The fourth proportional to 3,883,192,993.60, 5,824,789,490.40 and 1,122,912,059.20 is: 1,684,368,088.80
Step by Step Solution
- Step 1: Write the proportion equation
3,883,192,993.60 : 5,824,789,490.40 = 1,122,912,059.20 : x - Step 2: Convert to fraction form
3,883,192,993.60/5,824,789,490.40 = 1,122,912,059.20/x - Step 3: Cross multiply
3,883,192,993.60x = 5,824,789,490.40 × 1,122,912,059.20 - Step 4: Simplify right side
3,883,192,993.60x = 6,540,726,361,071,582,208 - Step 5: Solve for x
x = 6,540,726,361,071,582,208/3,883,192,993.60 - Step 6: Final answer
x = 1,684,368,088.80
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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.