Finding the Fourth Proportional to 3,889,414,296.74, 5,834,136,404.19 and 941,689,004.06
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Solution
The fourth proportional to 3,889,414,296.74, 5,834,136,404.19 and 941,689,004.06 is: 1,412,537,127.92
Step by Step Solution
- Step 1: Write the proportion equation
3,889,414,296.74 : 5,834,136,404.19 = 941,689,004.06 : x - Step 2: Convert to fraction form
3,889,414,296.74/5,834,136,404.19 = 941,689,004.06/x - Step 3: Cross multiply
3,889,414,296.74x = 5,834,136,404.19 × 941,689,004.06 - Step 4: Simplify right side
3,889,414,296.74x = 5,493,942,100,011,870,208 - Step 5: Solve for x
x = 5,493,942,100,011,870,208/3,889,414,296.74 - Step 6: Final answer
x = 1,412,537,127.92
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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.