Finding the Fourth Proportional to 1,036,971,534.56, 1,431,131,616.29 and 635,351,815.08
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Solution
The fourth proportional to 1,036,971,534.56, 1,431,131,616.29 and 635,351,815.08 is: 876,853,452.32
Step by Step Solution
- Step 1: Write the proportion equation
1,036,971,534.56 : 1,431,131,616.29 = 635,351,815.08 : x - Step 2: Convert to fraction form
1,036,971,534.56/1,431,131,616.29 = 635,351,815.08/x - Step 3: Cross multiply
1,036,971,534.56x = 1,431,131,616.29 × 635,351,815.08 - Step 4: Simplify right side
1,036,971,534.56x = 909,272,070,029,814,016 - Step 5: Solve for x
x = 909,272,070,029,814,016/1,036,971,534.56 - Step 6: Final answer
x = 876,853,452.32
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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.