Finding the Fourth Proportional to 379,204,254.96, 523,344,428.76 and 214,202,451.12
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Solution
The fourth proportional to 379,204,254.96, 523,344,428.76 and 214,202,451.12 is: 295,623,421.82
Step by Step Solution
- Step 1: Write the proportion equation
379,204,254.96 : 523,344,428.76 = 214,202,451.12 : x - Step 2: Convert to fraction form
379,204,254.96/523,344,428.76 = 214,202,451.12/x - Step 3: Cross multiply
379,204,254.96x = 523,344,428.76 × 214,202,451.12 - Step 4: Simplify right side
379,204,254.96x = 112,101,659,420,388,224 - Step 5: Solve for x
x = 112,101,659,420,388,224/379,204,254.96 - Step 6: Final answer
x = 295,623,421.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.