Finding the Fourth Proportional to 1,338,613,541.10, 1,847,331,546.10 and 743,923,090.49
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Solution
The fourth proportional to 1,338,613,541.10, 1,847,331,546.10 and 743,923,090.49 is: 1,026,638,795.09
Step by Step Solution
- Step 1: Write the proportion equation
1,338,613,541.10 : 1,847,331,546.10 = 743,923,090.49 : x - Step 2: Convert to fraction form
1,338,613,541.10/1,847,331,546.10 = 743,923,090.49/x - Step 3: Cross multiply
1,338,613,541.10x = 1,847,331,546.10 × 743,923,090.49 - Step 4: Simplify right side
1,338,613,541.10x = 1,374,272,592,923,285,504 - Step 5: Solve for x
x = 1,374,272,592,923,285,504/1,338,613,541.10 - Step 6: Final answer
x = 1,026,638,795.09
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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.