Finding the Fourth Proportional to 663,352,311.98, 995,028,799.56 and 226,657,278.02
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Solution
The fourth proportional to 663,352,311.98, 995,028,799.56 and 226,657,278.02 is: 339,986,030.33
Step by Step Solution
- Step 1: Write the proportion equation
663,352,311.98 : 995,028,799.56 = 226,657,278.02 : x - Step 2: Convert to fraction form
663,352,311.98/995,028,799.56 = 226,657,278.02/x - Step 3: Cross multiply
663,352,311.98x = 995,028,799.56 × 226,657,278.02 - Step 4: Simplify right side
663,352,311.98x = 225,530,519,259,777,760 - Step 5: Solve for x
x = 225,530,519,259,777,760/663,352,311.98 - Step 6: Final answer
x = 339,986,030.33
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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.