Finding the Fourth Proportional to 1,858,382,973.96, 2,786,555,575.23 and 736,770,391.14
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Solution
The fourth proportional to 1,858,382,973.96, 2,786,555,575.23 and 736,770,391.14 is: 1,104,751,641.54
Step by Step Solution
- Step 1: Write the proportion equation
1,858,382,973.96 : 2,786,555,575.23 = 736,770,391.14 : x - Step 2: Convert to fraction form
1,858,382,973.96/2,786,555,575.23 = 736,770,391.14/x - Step 3: Cross multiply
1,858,382,973.96x = 2,786,555,575.23 × 736,770,391.14 - Step 4: Simplify right side
1,858,382,973.96x = 2,053,051,641,091,670,016 - Step 5: Solve for x
x = 2,053,051,641,091,670,016/1,858,382,973.96 - Step 6: Final answer
x = 1,104,751,641.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.