Finding the Fourth Proportional to 403,177,471.57, 556,412,874.43 and 244,414,286.07
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Solution
The fourth proportional to 403,177,471.57, 556,412,874.43 and 244,414,286.07 is: 337,308,666.91
Step by Step Solution
- Step 1: Write the proportion equation
403,177,471.57 : 556,412,874.43 = 244,414,286.07 : x - Step 2: Convert to fraction form
403,177,471.57/556,412,874.43 = 244,414,286.07/x - Step 3: Cross multiply
403,177,471.57x = 556,412,874.43 × 244,414,286.07 - Step 4: Simplify right side
403,177,471.57x = 135,995,255,463,964,992 - Step 5: Solve for x
x = 135,995,255,463,964,992/403,177,471.57 - Step 6: Final answer
x = 337,308,666.91
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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.