Finding the Fourth Proportional to 7,043,279,093.58, 9,719,594,390.16 and 3,871,395,202.26
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Solution
The fourth proportional to 7,043,279,093.58, 9,719,594,390.16 and 3,871,395,202.26 is: 5,342,453,506.39
Step by Step Solution
- Step 1: Write the proportion equation
7,043,279,093.58 : 9,719,594,390.16 = 3,871,395,202.26 : x - Step 2: Convert to fraction form
7,043,279,093.58/9,719,594,390.16 = 3,871,395,202.26/x - Step 3: Cross multiply
7,043,279,093.58x = 9,719,594,390.16 × 3,871,395,202.26 - Step 4: Simplify right side
7,043,279,093.58x = 37,628,391,089,978,638,336 - Step 5: Solve for x
x = 37,628,391,089,978,638,336/7,043,279,093.58 - Step 6: Final answer
x = 5,342,453,506.39
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1.5x scale
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.