Finding the Fourth Proportional to 7,905,236,893.97, 11,857,883,058.09 and 2,009,796,765.21
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Solution
The fourth proportional to 7,905,236,893.97, 11,857,883,058.09 and 2,009,796,765.21 is: 3,014,702,194.51
Step by Step Solution
- Step 1: Write the proportion equation
7,905,236,893.97 : 11,857,883,058.09 = 2,009,796,765.21 : x - Step 2: Convert to fraction form
7,905,236,893.97/11,857,883,058.09 = 2,009,796,765.21/x - Step 3: Cross multiply
7,905,236,893.97x = 11,857,883,058.09 × 2,009,796,765.21 - Step 4: Simplify right side
7,905,236,893.97x = 23,831,935,012,387,745,792 - Step 5: Solve for x
x = 23,831,935,012,387,745,792/7,905,236,893.97 - Step 6: Final answer
x = 3,014,702,194.51
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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.