Finding the Fourth Proportional to 613,219,137.60, 846,245,847.12 and 348,901,124.24
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Solution
The fourth proportional to 613,219,137.60, 846,245,847.12 and 348,901,124.24 is: 481,485,507.12
Step by Step Solution
- Step 1: Write the proportion equation
613,219,137.60 : 846,245,847.12 = 348,901,124.24 : x - Step 2: Convert to fraction form
613,219,137.60/846,245,847.12 = 348,901,124.24/x - Step 3: Cross multiply
613,219,137.60x = 846,245,847.12 × 348,901,124.24 - Step 4: Simplify right side
613,219,137.60x = 295,256,127,443,599,168 - Step 5: Solve for x
x = 295,256,127,443,599,168/613,219,137.60 - Step 6: Final answer
x = 481,485,507.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.