Finding the Fourth Proportional to 6,464,413,618.99, 8,921,110,906.59 and 3,751,471,377.54
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Solution
The fourth proportional to 6,464,413,618.99, 8,921,110,906.59 and 3,751,471,377.54 is: 5,177,158,238.08
Step by Step Solution
- Step 1: Write the proportion equation
6,464,413,618.99 : 8,921,110,906.59 = 3,751,471,377.54 : x - Step 2: Convert to fraction form
6,464,413,618.99/8,921,110,906.59 = 3,751,471,377.54/x - Step 3: Cross multiply
6,464,413,618.99x = 8,921,110,906.59 × 3,751,471,377.54 - Step 4: Simplify right side
6,464,413,618.99x = 33,467,292,221,887,700,992 - Step 5: Solve for x
x = 33,467,292,221,887,700,992/6,464,413,618.99 - Step 6: Final answer
x = 5,177,158,238.08
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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.