Finding the Fourth Proportional to 1,137,351,618.20, 1,706,027,427.30 and 965,164,734.20
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Solution
The fourth proportional to 1,137,351,618.20, 1,706,027,427.30 and 965,164,734.20 is: 1,447,747,101.30
Step by Step Solution
- Step 1: Write the proportion equation
1,137,351,618.20 : 1,706,027,427.30 = 965,164,734.20 : x - Step 2: Convert to fraction form
1,137,351,618.20/1,706,027,427.30 = 965,164,734.20/x - Step 3: Cross multiply
1,137,351,618.20x = 1,706,027,427.30 × 965,164,734.20 - Step 4: Simplify right side
1,137,351,618.20x = 1,646,597,508,407,914,240 - Step 5: Solve for x
x = 1,646,597,508,407,914,240/1,137,351,618.20 - Step 6: Final answer
x = 1,447,747,101.30
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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.