Finding the Fourth Proportional to 453,022,194.36, 679,422,867.84 and 125,489,201.16
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Solution
The fourth proportional to 453,022,194.36, 679,422,867.84 and 125,489,201.16 is: 188,203,213.87
Step by Step Solution
- Step 1: Write the proportion equation
453,022,194.36 : 679,422,867.84 = 125,489,201.16 : x - Step 2: Convert to fraction form
453,022,194.36/679,422,867.84 = 125,489,201.16/x - Step 3: Cross multiply
453,022,194.36x = 679,422,867.84 × 125,489,201.16 - Step 4: Simplify right side
453,022,194.36x = 85,260,232,935,077,856 - Step 5: Solve for x
x = 85,260,232,935,077,856/453,022,194.36 - Step 6: Final answer
x = 188,203,213.87
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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.