Finding the Fourth Proportional to 315,462,238.53, 472,770,376.50 and 245,516,922.09
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Solution
The fourth proportional to 315,462,238.53, 472,770,376.50 and 245,516,922.09 is: 367,946,186.63
Step by Step Solution
- Step 1: Write the proportion equation
315,462,238.53 : 472,770,376.50 = 245,516,922.09 : x - Step 2: Convert to fraction form
315,462,238.53/472,770,376.50 = 245,516,922.09/x - Step 3: Cross multiply
315,462,238.53x = 472,770,376.50 × 245,516,922.09 - Step 4: Simplify right side
315,462,238.53x = 116,073,127,693,610,464 - Step 5: Solve for x
x = 116,073,127,693,610,464/315,462,238.53 - Step 6: Final answer
x = 367,946,186.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.