Finding the Fourth Proportional to 507,220,404,778.44, 699,964,608,872.34 and 278,853,532,138.44
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Solution
The fourth proportional to 507,220,404,778.44, 699,964,608,872.34 and 278,853,532,138.44 is: 384,818,121,899.52
Step by Step Solution
- Step 1: Write the proportion equation
507,220,404,778.44 : 699,964,608,872.34 = 278,853,532,138.44 : x - Step 2: Convert to fraction form
507,220,404,778.44/699,964,608,872.34 = 278,853,532,138.44/x - Step 3: Cross multiply
507,220,404,778.44x = 699,964,608,872.34 × 278,853,532,138.44 - Step 4: Simplify right side
507,220,404,778.44x = 195,187,603,555,953,628,151,808 - Step 5: Solve for x
x = 195,187,603,555,953,628,151,808/507,220,404,778.44 - Step 6: Final answer
x = 384,818,121,899.52
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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.