Finding the Fourth Proportional to 615,481,143.36, 923,394,313.08 and 247,274,654.64
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Solution
The fourth proportional to 615,481,143.36, 923,394,313.08 and 247,274,654.64 is: 370,981,324.65
Step by Step Solution
- Step 1: Write the proportion equation
615,481,143.36 : 923,394,313.08 = 247,274,654.64 : x - Step 2: Convert to fraction form
615,481,143.36/923,394,313.08 = 247,274,654.64/x - Step 3: Cross multiply
615,481,143.36x = 923,394,313.08 × 247,274,654.64 - Step 4: Simplify right side
615,481,143.36x = 228,332,009,863,397,024 - Step 5: Solve for x
x = 228,332,009,863,397,024/615,481,143.36 - Step 6: Final answer
x = 370,981,324.65
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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.