Finding the Fourth Proportional to 1,821,310,822.08, 2,731,557,350.40 and 837,792,777.60
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Solution
The fourth proportional to 1,821,310,822.08, 2,731,557,350.40 and 837,792,777.60 is: 1,256,501,082.64
Step by Step Solution
- Step 1: Write the proportion equation
1,821,310,822.08 : 2,731,557,350.40 = 837,792,777.60 : x - Step 2: Convert to fraction form
1,821,310,822.08/2,731,557,350.40 = 837,792,777.60/x - Step 3: Cross multiply
1,821,310,822.08x = 2,731,557,350.40 × 837,792,777.60 - Step 4: Simplify right side
1,821,310,822.08x = 2,288,479,019,765,312,512 - Step 5: Solve for x
x = 2,288,479,019,765,312,512/1,821,310,822.08 - Step 6: Final answer
x = 1,256,501,082.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.