Finding the Fourth Proportional to 1,664,372,286.10, 2,296,752,135.84 and 911,688,801.00
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Solution
The fourth proportional to 1,664,372,286.10, 2,296,752,135.84 and 911,688,801.00 is: 1,258,085,837.16
Step by Step Solution
- Step 1: Write the proportion equation
1,664,372,286.10 : 2,296,752,135.84 = 911,688,801.00 : x - Step 2: Convert to fraction form
1,664,372,286.10/2,296,752,135.84 = 911,688,801.00/x - Step 3: Cross multiply
1,664,372,286.10x = 2,296,752,135.84 × 911,688,801.00 - Step 4: Simplify right side
1,664,372,286.10x = 2,093,923,200,909,546,240 - Step 5: Solve for x
x = 2,093,923,200,909,546,240/1,664,372,286.10 - Step 6: Final answer
x = 1,258,085,837.16
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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.