Finding the Fourth Proportional to 904,405,747,874.94, 1,357,009,235,939.50 and 474,040,554,400.56
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Solution
The fourth proportional to 904,405,747,874.94, 1,357,009,235,939.50 and 474,040,554,400.56 is: 711,270,811,848.48
Step by Step Solution
- Step 1: Write the proportion equation
904,405,747,874.94 : 1,357,009,235,939.50 = 474,040,554,400.56 : x - Step 2: Convert to fraction form
904,405,747,874.94/1,357,009,235,939.50 = 474,040,554,400.56/x - Step 3: Cross multiply
904,405,747,874.94x = 1,357,009,235,939.50 × 474,040,554,400.56 - Step 4: Simplify right side
904,405,747,874.94x = 643,277,410,531,440,848,797,696 - Step 5: Solve for x
x = 643,277,410,531,440,848,797,696/904,405,747,874.94 - Step 6: Final answer
x = 711,270,811,848.48
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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.