Finding the Fourth Proportional to 425,761,645.08, 587,551,187.31 and 235,022,778.53
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Solution
The fourth proportional to 425,761,645.08, 587,551,187.31 and 235,022,778.53 is: 324,331,499.02
Step by Step Solution
- Step 1: Write the proportion equation
425,761,645.08 : 587,551,187.31 = 235,022,778.53 : x - Step 2: Convert to fraction form
425,761,645.08/587,551,187.31 = 235,022,778.53/x - Step 3: Cross multiply
425,761,645.08x = 587,551,187.31 × 235,022,778.53 - Step 4: Simplify right side
425,761,645.08x = 138,087,912,573,203,760 - Step 5: Solve for x
x = 138,087,912,573,203,760/425,761,645.08 - Step 6: Final answer
x = 324,331,499.02
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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.