Finding the Fourth Proportional to 1,805,458,130,413.80, 2,491,457,023,071.80 and 982,398,320,056.01
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Solution
The fourth proportional to 1,805,458,130,413.80, 2,491,457,023,071.80 and 982,398,320,056.01 is: 1,355,668,765,022.27
Step by Step Solution
- Step 1: Write the proportion equation
1,805,458,130,413.80 : 2,491,457,023,071.80 = 982,398,320,056.01 : x - Step 2: Convert to fraction form
1,805,458,130,413.80/2,491,457,023,071.80 = 982,398,320,056.01/x - Step 3: Cross multiply
1,805,458,130,413.80x = 2,491,457,023,071.80 × 982,398,320,056.01 - Step 4: Simplify right side
1,805,458,130,413.80x = 2,447,603,193,957,484,079,349,760 - Step 5: Solve for x
x = 2,447,603,193,957,484,079,349,760/1,805,458,130,413.80 - Step 6: Final answer
x = 1,355,668,765,022.27
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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.