Finding the Fourth Proportional to 7,190,647,167, 10,785,970,750.50 and 2,020,789,119
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Solution
The fourth proportional to 7,190,647,167, 10,785,970,750.50 and 2,020,789,119 is: 3,031,183,678.50
Step by Step Solution
- Step 1: Write the proportion equation
7,190,647,167 : 10,785,970,750.50 = 2,020,789,119 : x - Step 2: Convert to fraction form
7,190,647,167/10,785,970,750.50 = 2,020,789,119/x - Step 3: Cross multiply
7,190,647,167x = 10,785,970,750.50 × 2,020,789,119 - Step 4: Simplify right side
7,190,647,167x = 21,796,172,330,462,662,656 - Step 5: Solve for x
x = 21,796,172,330,462,662,656/7,190,647,167 - Step 6: Final answer
x = 3,031,183,678.50
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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.