Finding the Fourth Proportional to 379,008,543.84, 523,035,396.24 and 222,378,315.36
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Solution
The fourth proportional to 379,008,543.84, 523,035,396.24 and 222,378,315.36 is: 306,884,190.82
Step by Step Solution
- Step 1: Write the proportion equation
379,008,543.84 : 523,035,396.24 = 222,378,315.36 : x - Step 2: Convert to fraction form
379,008,543.84/523,035,396.24 = 222,378,315.36/x - Step 3: Cross multiply
379,008,543.84x = 523,035,396.24 × 222,378,315.36 - Step 4: Simplify right side
379,008,543.84x = 116,311,730,289,501,280 - Step 5: Solve for x
x = 116,311,730,289,501,280/379,008,543.84 - Step 6: Final answer
x = 306,884,190.82
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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.