Finding the Fourth Proportional to 1,916,616,731.08, 2,644,932,857.35 and 1,036,550,435.08
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Solution
The fourth proportional to 1,916,616,731.08, 2,644,932,857.35 and 1,036,550,435.08 is: 1,430,440,556.83
Step by Step Solution
- Step 1: Write the proportion equation
1,916,616,731.08 : 2,644,932,857.35 = 1,036,550,435.08 : x - Step 2: Convert to fraction form
1,916,616,731.08/2,644,932,857.35 = 1,036,550,435.08/x - Step 3: Cross multiply
1,916,616,731.08x = 2,644,932,857.35 × 1,036,550,435.08 - Step 4: Simplify right side
1,916,616,731.08x = 2,741,606,304,034,326,016 - Step 5: Solve for x
x = 2,741,606,304,034,326,016/1,916,616,731.08 - Step 6: Final answer
x = 1,430,440,556.83
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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.