Finding the Fourth Proportional to 7,831,319,912.07, 10,807,222,644.50 and 4,263,053,906.68
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Solution
The fourth proportional to 7,831,319,912.07, 10,807,222,644.50 and 4,263,053,906.68 is: 5,883,015,025.86
Step by Step Solution
- Step 1: Write the proportion equation
7,831,319,912.07 : 10,807,222,644.50 = 4,263,053,906.68 : x - Step 2: Convert to fraction form
7,831,319,912.07/10,807,222,644.50 = 4,263,053,906.68/x - Step 3: Cross multiply
7,831,319,912.07x = 10,807,222,644.50 × 4,263,053,906.68 - Step 4: Simplify right side
7,831,319,912.07x = 46,071,772,715,023,302,656 - Step 5: Solve for x
x = 46,071,772,715,023,302,656/7,831,319,912.07 - Step 6: Final answer
x = 5,883,015,025.86
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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.