Finding the Fourth Proportional to 6,464,413,619.99, 8,921,110,907.97 and 3,751,471,378.54
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Solution
The fourth proportional to 6,464,413,619.99, 8,921,110,907.97 and 3,751,471,378.54 is: 5,177,158,239.46
Step by Step Solution
- Step 1: Write the proportion equation
6,464,413,619.99 : 8,921,110,907.97 = 3,751,471,378.54 : x - Step 2: Convert to fraction form
6,464,413,619.99/8,921,110,907.97 = 3,751,471,378.54/x - Step 3: Cross multiply
6,464,413,619.99x = 8,921,110,907.97 × 3,751,471,378.54 - Step 4: Simplify right side
6,464,413,619.99x = 33,467,292,236,030,443,520 - Step 5: Solve for x
x = 33,467,292,236,030,443,520/6,464,413,619.99 - Step 6: Final answer
x = 5,177,158,239.46
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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.