Finding the Fourth Proportional to 461,888,201.30, 637,400,439.36 and 250,191,040.91
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Solution
The fourth proportional to 461,888,201.30, 637,400,439.36 and 250,191,040.91 is: 345,260,777.28
Step by Step Solution
- Step 1: Write the proportion equation
461,888,201.30 : 637,400,439.36 = 250,191,040.91 : x - Step 2: Convert to fraction form
461,888,201.30/637,400,439.36 = 250,191,040.91/x - Step 3: Cross multiply
461,888,201.30x = 637,400,439.36 × 250,191,040.91 - Step 4: Simplify right side
461,888,201.30x = 159,471,879,396,782,752 - Step 5: Solve for x
x = 159,471,879,396,782,752/461,888,201.30 - Step 6: Final answer
x = 345,260,777.28
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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.