Finding the Fourth Proportional to 467,970,099.49, 646,471,413.84 and 373,760,556.94
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Solution
The fourth proportional to 467,970,099.49, 646,471,413.84 and 373,760,556.94 is: 516,326,825.04
Step by Step Solution
- Step 1: Write the proportion equation
467,970,099.49 : 646,471,413.84 = 373,760,556.94 : x - Step 2: Convert to fraction form
467,970,099.49/646,471,413.84 = 373,760,556.94/x - Step 3: Cross multiply
467,970,099.49x = 646,471,413.84 × 373,760,556.94 - Step 4: Simplify right side
467,970,099.49x = 241,625,515,682,627,648 - Step 5: Solve for x
x = 241,625,515,682,627,648/467,970,099.49 - Step 6: Final answer
x = 516,326,825.04
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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.