Finding the Fourth Proportional to 1,175,598,109.96, 1,622,324,921.36 and 646,962,094.60
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Solution
The fourth proportional to 1,175,598,109.96, 1,622,324,921.36 and 646,962,094.60 is: 892,807,431.68
Step by Step Solution
- Step 1: Write the proportion equation
1,175,598,109.96 : 1,622,324,921.36 = 646,962,094.60 : x - Step 2: Convert to fraction form
1,175,598,109.96/1,622,324,921.36 = 646,962,094.60/x - Step 3: Cross multiply
1,175,598,109.96x = 1,622,324,921.36 × 646,962,094.60 - Step 4: Simplify right side
1,175,598,109.96x = 1,049,582,729,244,845,824 - Step 5: Solve for x
x = 1,049,582,729,244,845,824/1,175,598,109.96 - Step 6: Final answer
x = 892,807,431.68
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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.