Finding the Fourth Proportional to 1,079,461,623.12, 1,619,291,249.08 and 303,102,052.24
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Solution
The fourth proportional to 1,079,461,623.12, 1,619,291,249.08 and 303,102,052.24 is: 454,680,824.46
Step by Step Solution
- Step 1: Write the proportion equation
1,079,461,623.12 : 1,619,291,249.08 = 303,102,052.24 : x - Step 2: Convert to fraction form
1,079,461,623.12/1,619,291,249.08 = 303,102,052.24/x - Step 3: Cross multiply
1,079,461,623.12x = 1,619,291,249.08 × 303,102,052.24 - Step 4: Simplify right side
1,079,461,623.12x = 490,810,500,770,420,992 - Step 5: Solve for x
x = 490,810,500,770,420,992/1,079,461,623.12 - Step 6: Final answer
x = 454,680,824.46
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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.