Finding the Fourth Proportional to 1,553,089,524.24, 2,143,309,957.68 and 848,274,755.36
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Solution
The fourth proportional to 1,553,089,524.24, 2,143,309,957.68 and 848,274,755.36 is: 1,170,644,513.17
Step by Step Solution
- Step 1: Write the proportion equation
1,553,089,524.24 : 2,143,309,957.68 = 848,274,755.36 : x - Step 2: Convert to fraction form
1,553,089,524.24/2,143,309,957.68 = 848,274,755.36/x - Step 3: Cross multiply
1,553,089,524.24x = 2,143,309,957.68 × 848,274,755.36 - Step 4: Simplify right side
1,553,089,524.24x = 1,818,115,730,011,654,144 - Step 5: Solve for x
x = 1,818,115,730,011,654,144/1,553,089,524.24 - Step 6: Final answer
x = 1,170,644,513.17
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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.