Finding the Fourth Proportional to 4,861,049,512.80, 7,291,773,334.80 and 1,414,477,480.80
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Solution
The fourth proportional to 4,861,049,512.80, 7,291,773,334.80 and 1,414,477,480.80 is: 2,121,774,145.69
Step by Step Solution
- Step 1: Write the proportion equation
4,861,049,512.80 : 7,291,773,334.80 = 1,414,477,480.80 : x - Step 2: Convert to fraction form
4,861,049,512.80/7,291,773,334.80 = 1,414,477,480.80/x - Step 3: Cross multiply
4,861,049,512.80x = 7,291,773,334.80 × 1,414,477,480.80 - Step 4: Simplify right side
4,861,049,512.80x = 10,314,049,177,172,518,912 - Step 5: Solve for x
x = 10,314,049,177,172,518,912/4,861,049,512.80 - Step 6: Final answer
x = 2,121,774,145.69
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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.