Finding the Fourth Proportional to 1,365,190,874.22, 1,883,949,993.99 and 738,645,554.82
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Solution
The fourth proportional to 1,365,190,874.22, 1,883,949,993.99 and 738,645,554.82 is: 1,019,323,608.77
Step by Step Solution
- Step 1: Write the proportion equation
1,365,190,874.22 : 1,883,949,993.99 = 738,645,554.82 : x - Step 2: Convert to fraction form
1,365,190,874.22/1,883,949,993.99 = 738,645,554.82/x - Step 3: Cross multiply
1,365,190,874.22x = 1,883,949,993.99 × 738,645,554.82 - Step 4: Simplify right side
1,365,190,874.22x = 1,391,571,288,563,879,424 - Step 5: Solve for x
x = 1,391,571,288,563,879,424/1,365,190,874.22 - Step 6: Final answer
x = 1,019,323,608.77
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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.