Finding the Fourth Proportional to 331,927,369.99, 458,119,745.34 and 197,973,882.43
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Solution
The fourth proportional to 331,927,369.99, 458,119,745.34 and 197,973,882.43 is: 273,239,728.94
Step by Step Solution
- Step 1: Write the proportion equation
331,927,369.99 : 458,119,745.34 = 197,973,882.43 : x - Step 2: Convert to fraction form
331,927,369.99/458,119,745.34 = 197,973,882.43/x - Step 3: Cross multiply
331,927,369.99x = 458,119,745.34 × 197,973,882.43 - Step 4: Simplify right side
331,927,369.99x = 90,695,744,602,802,704 - Step 5: Solve for x
x = 90,695,744,602,802,704/331,927,369.99 - Step 6: Final answer
x = 273,239,728.94
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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.