Finding the Fourth Proportional to 1,512,850,906.24, 2,264,622,051.56 and 987,087,913.18
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Solution
The fourth proportional to 1,512,850,906.24, 2,264,622,051.56 and 987,087,913.18 is: 1,477,595,079.46
Step by Step Solution
- Step 1: Write the proportion equation
1,512,850,906.24 : 2,264,622,051.56 = 987,087,913.18 : x - Step 2: Convert to fraction form
1,512,850,906.24/2,264,622,051.56 = 987,087,913.18/x - Step 3: Cross multiply
1,512,850,906.24x = 2,264,622,051.56 × 987,087,913.18 - Step 4: Simplify right side
1,512,850,906.24x = 2,235,381,055,015,770,624 - Step 5: Solve for x
x = 2,235,381,055,015,770,624/1,512,850,906.24 - Step 6: Final answer
x = 1,477,595,079.46
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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.