Finding the Fourth Proportional to 490,733,910.07, 677,201,896.24 and 270,717,277.75
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Solution
The fourth proportional to 490,733,910.07, 677,201,896.24 and 270,717,277.75 is: 373,583,830.41
Step by Step Solution
- Step 1: Write the proportion equation
490,733,910.07 : 677,201,896.24 = 270,717,277.75 : x - Step 2: Convert to fraction form
490,733,910.07/677,201,896.24 = 270,717,277.75/x - Step 3: Cross multiply
490,733,910.07x = 677,201,896.24 × 270,717,277.75 - Step 4: Simplify right side
490,733,910.07x = 183,330,253,837,230,752 - Step 5: Solve for x
x = 183,330,253,837,230,752/490,733,910.07 - Step 6: Final answer
x = 373,583,830.41
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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.