Finding the Fourth Proportional to 299,440,245.30, 449,328,329.55 and 126,887,694.90
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Solution
The fourth proportional to 299,440,245.30, 449,328,329.55 and 126,887,694.90 is: 190,402,716.02
Step by Step Solution
- Step 1: Write the proportion equation
299,440,245.30 : 449,328,329.55 = 126,887,694.90 : x - Step 2: Convert to fraction form
299,440,245.30/449,328,329.55 = 126,887,694.90/x - Step 3: Cross multiply
299,440,245.30x = 449,328,329.55 × 126,887,694.90 - Step 4: Simplify right side
299,440,245.30x = 57,014,235,989,867,056 - Step 5: Solve for x
x = 57,014,235,989,867,056/299,440,245.30 - Step 6: Final answer
x = 190,402,716.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.