Finding the Fourth Proportional to 3,174,001,636.68, 4,379,821,564.50 and 1,764,138,187.08
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Solution
The fourth proportional to 3,174,001,636.68, 4,379,821,564.50 and 1,764,138,187.08 is: 2,434,343,569.72
Step by Step Solution
- Step 1: Write the proportion equation
3,174,001,636.68 : 4,379,821,564.50 = 1,764,138,187.08 : x - Step 2: Convert to fraction form
3,174,001,636.68/4,379,821,564.50 = 1,764,138,187.08/x - Step 3: Cross multiply
3,174,001,636.68x = 4,379,821,564.50 × 1,764,138,187.08 - Step 4: Simplify right side
3,174,001,636.68x = 7,726,610,474,530,919,424 - Step 5: Solve for x
x = 7,726,610,474,530,919,424/3,174,001,636.68 - Step 6: Final answer
x = 2,434,343,569.72
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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.