Finding the Fourth Proportional to 5,276,992,601.09, 7,916,828,708.43 and 2,442,830,121.05
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Solution
The fourth proportional to 5,276,992,601.09, 7,916,828,708.43 and 2,442,830,121.05 is: 3,664,865,406.12
Step by Step Solution
- Step 1: Write the proportion equation
5,276,992,601.09 : 7,916,828,708.43 = 2,442,830,121.05 : x - Step 2: Convert to fraction form
5,276,992,601.09/7,916,828,708.43 = 2,442,830,121.05/x - Step 3: Cross multiply
5,276,992,601.09x = 7,916,828,708.43 × 2,442,830,121.05 - Step 4: Simplify right side
5,276,992,601.09x = 19,339,467,632,106,590,208 - Step 5: Solve for x
x = 19,339,467,632,106,590,208/5,276,992,601.09 - Step 6: Final answer
x = 3,664,865,406.12
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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.