Finding the Fourth Proportional to 351,043,266.88, 484,206,447.76 and 225,753,866.56
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Solution
The fourth proportional to 351,043,266.88, 484,206,447.76 and 225,753,866.56 is: 311,390,327.37
Step by Step Solution
- Step 1: Write the proportion equation
351,043,266.88 : 484,206,447.76 = 225,753,866.56 : x - Step 2: Convert to fraction form
351,043,266.88/484,206,447.76 = 225,753,866.56/x - Step 3: Cross multiply
351,043,266.88x = 484,206,447.76 × 225,753,866.56 - Step 4: Simplify right side
351,043,266.88x = 109,311,477,795,102,656 - Step 5: Solve for x
x = 109,311,477,795,102,656/351,043,266.88 - Step 6: Final answer
x = 311,390,327.37
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.