Finding the Fourth Proportional to 6,940,121,253.94, 9,577,367,330.44 and 3,969,897,504.94
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Solution
The fourth proportional to 6,940,121,253.94, 9,577,367,330.44 and 3,969,897,504.94 is: 5,478,458,556.82
Step by Step Solution
- Step 1: Write the proportion equation
6,940,121,253.94 : 9,577,367,330.44 = 3,969,897,504.94 : x - Step 2: Convert to fraction form
6,940,121,253.94/9,577,367,330.44 = 3,969,897,504.94/x - Step 3: Cross multiply
6,940,121,253.94x = 9,577,367,330.44 × 3,969,897,504.94 - Step 4: Simplify right side
6,940,121,253.94x = 38,021,166,669,007,626,240 - Step 5: Solve for x
x = 38,021,166,669,007,626,240/6,940,121,253.94 - Step 6: Final answer
x = 5,478,458,556.82
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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.