Finding the Fourth Proportional to 1,365,190,845.22, 1,883,949,953.97 and 738,645,525.82
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Solution
The fourth proportional to 1,365,190,845.22, 1,883,949,953.97 and 738,645,525.82 is: 1,019,323,568.75
Step by Step Solution
- Step 1: Write the proportion equation
1,365,190,845.22 : 1,883,949,953.97 = 738,645,525.82 : x - Step 2: Convert to fraction form
1,365,190,845.22/1,883,949,953.97 = 738,645,525.82/x - Step 3: Cross multiply
1,365,190,845.22x = 1,883,949,953.97 × 738,645,525.82 - Step 4: Simplify right side
1,365,190,845.22x = 1,391,571,204,368,735,488 - Step 5: Solve for x
x = 1,391,571,204,368,735,488/1,365,190,845.22 - Step 6: Final answer
x = 1,019,323,568.75
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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.