Finding the Fourth Proportional to 479,548,122.60, 719,322,183.90 and 479,548,122.60
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Solution
The fourth proportional to 479,548,122.60, 719,322,183.90 and 479,548,122.60 is: 719,322,183.90
Step by Step Solution
- Step 1: Write the proportion equation
479,548,122.60 : 719,322,183.90 = 479,548,122.60 : x - Step 2: Convert to fraction form
479,548,122.60/719,322,183.90 = 479,548,122.60/x - Step 3: Cross multiply
479,548,122.60x = 719,322,183.90 × 479,548,122.60 - Step 4: Simplify right side
479,548,122.60x = 344,949,602,833,776,960 - Step 5: Solve for x
x = 344,949,602,833,776,960/479,548,122.60 - Step 6: Final answer
x = 719,322,183.90
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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.