Finding the Fourth Proportional to 7,831,319,917.75, 10,807,222,652.31 and 4,263,053,912.35
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Solution
The fourth proportional to 7,831,319,917.75, 10,807,222,652.31 and 4,263,053,912.35 is: 5,883,015,033.67
Step by Step Solution
- Step 1: Write the proportion equation
7,831,319,917.75 : 10,807,222,652.31 = 4,263,053,912.35 : x - Step 2: Convert to fraction form
7,831,319,917.75/10,807,222,652.31 = 4,263,053,912.35/x - Step 3: Cross multiply
7,831,319,917.75x = 10,807,222,652.31 × 4,263,053,912.35 - Step 4: Simplify right side
7,831,319,917.75x = 46,071,772,809,557,721,088 - Step 5: Solve for x
x = 46,071,772,809,557,721,088/7,831,319,917.75 - Step 6: Final answer
x = 5,883,015,033.67
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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.