Finding the Fourth Proportional to 2,724,902,656.14, 4,087,483,897.47 and 1,324,218,156.09
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Solution
The fourth proportional to 2,724,902,656.14, 4,087,483,897.47 and 1,324,218,156.09 is: 1,986,390,367.95
Step by Step Solution
- Step 1: Write the proportion equation
2,724,902,656.14 : 4,087,483,897.47 = 1,324,218,156.09 : x - Step 2: Convert to fraction form
2,724,902,656.14/4,087,483,897.47 = 1,324,218,156.09/x - Step 3: Cross multiply
2,724,902,656.14x = 4,087,483,897.47 × 1,324,218,156.09 - Step 4: Simplify right side
2,724,902,656.14x = 5,412,720,389,755,289,600 - Step 5: Solve for x
x = 5,412,720,389,755,289,600/2,724,902,656.14 - Step 6: Final answer
x = 1,986,390,367.95
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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.