Finding the Fourth Proportional to 1,314,557,183.08, 1,814,145,599.46 and 727,846,370.92
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Solution
The fourth proportional to 1,314,557,183.08, 1,814,145,599.46 and 727,846,370.92 is: 1,004,459,378.32
Step by Step Solution
- Step 1: Write the proportion equation
1,314,557,183.08 : 1,814,145,599.46 = 727,846,370.92 : x - Step 2: Convert to fraction form
1,314,557,183.08/1,814,145,599.46 = 727,846,370.92/x - Step 3: Cross multiply
1,314,557,183.08x = 1,814,145,599.46 × 727,846,370.92 - Step 4: Simplify right side
1,314,557,183.08x = 1,320,419,290,887,448,832 - Step 5: Solve for x
x = 1,320,419,290,887,448,832/1,314,557,183.08 - Step 6: Final answer
x = 1,004,459,378.32
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1.5x scale
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.