Finding the Fourth Proportional to 419,670,527.22, 579,135,100.21 and 231,494,700.99
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Solution
The fourth proportional to 419,670,527.22, 579,135,100.21 and 231,494,700.99 is: 319,457,045.85
Step by Step Solution
- Step 1: Write the proportion equation
419,670,527.22 : 579,135,100.21 = 231,494,700.99 : x - Step 2: Convert to fraction form
419,670,527.22/579,135,100.21 = 231,494,700.99/x - Step 3: Cross multiply
419,670,527.22x = 579,135,100.21 × 231,494,700.99 - Step 4: Simplify right side
419,670,527.22x = 134,066,706,858,388,752 - Step 5: Solve for x
x = 134,066,706,858,388,752/419,670,527.22 - Step 6: Final answer
x = 319,457,045.85
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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.