Finding the Fourth Proportional to 2,724,902,657.14, 4,087,483,898.97 and 1,324,218,157.09
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Solution
The fourth proportional to 2,724,902,657.14, 4,087,483,898.97 and 1,324,218,157.09 is: 1,986,390,369.45
Step by Step Solution
- Step 1: Write the proportion equation
2,724,902,657.14 : 4,087,483,898.97 = 1,324,218,157.09 : x - Step 2: Convert to fraction form
2,724,902,657.14/4,087,483,898.97 = 1,324,218,157.09/x - Step 3: Cross multiply
2,724,902,657.14x = 4,087,483,898.97 × 1,324,218,157.09 - Step 4: Simplify right side
2,724,902,657.14x = 5,412,720,395,829,100,544 - Step 5: Solve for x
x = 5,412,720,395,829,100,544/2,724,902,657.14 - Step 6: Final answer
x = 1,986,390,369.45
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1.5x scale
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.