Finding the Fourth Proportional to 3,763,638,629.07, 5,646,101,112.11 and 1,551,639,151.14
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Solution
The fourth proportional to 3,763,638,629.07, 5,646,101,112.11 and 1,551,639,151.14 is: 2,327,723,886.45
Step by Step Solution
- Step 1: Write the proportion equation
3,763,638,629.07 : 5,646,101,112.11 = 1,551,639,151.14 : x - Step 2: Convert to fraction form
3,763,638,629.07/5,646,101,112.11 = 1,551,639,151.14/x - Step 3: Cross multiply
3,763,638,629.07x = 5,646,101,112.11 × 1,551,639,151.14 - Step 4: Simplify right side
3,763,638,629.07x = 8,760,711,536,844,969,984 - Step 5: Solve for x
x = 8,760,711,536,844,969,984/3,763,638,629.07 - Step 6: Final answer
x = 2,327,723,886.45
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1.5x scale
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.