Finding the Fourth Proportional to 538,135,601.12, 807,126,755.84 and 169,622,661.44
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Solution
The fourth proportional to 538,135,601.12, 807,126,755.84 and 169,622,661.44 is: 254,409,833.06
Step by Step Solution
- Step 1: Write the proportion equation
538,135,601.12 : 807,126,755.84 = 169,622,661.44 : x - Step 2: Convert to fraction form
538,135,601.12/807,126,755.84 = 169,622,661.44/x - Step 3: Cross multiply
538,135,601.12x = 807,126,755.84 × 169,622,661.44 - Step 4: Simplify right side
538,135,601.12x = 136,906,988,445,013,872 - Step 5: Solve for x
x = 136,906,988,445,013,872/538,135,601.12 - Step 6: Final answer
x = 254,409,833.06
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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.