Finding the Fourth Proportional to 3,243,767,951.12, 4,865,659,900.11 and 914,717,139.80
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Solution
The fourth proportional to 3,243,767,951.12, 4,865,659,900.11 and 914,717,139.80 is: 1,372,077,958.14
Step by Step Solution
- Step 1: Write the proportion equation
3,243,767,951.12 : 4,865,659,900.11 = 914,717,139.80 : x - Step 2: Convert to fraction form
3,243,767,951.12/4,865,659,900.11 = 914,717,139.80/x - Step 3: Cross multiply
3,243,767,951.12x = 4,865,659,900.11 × 914,717,139.80 - Step 4: Simplify right side
3,243,767,951.12x = 4,450,702,507,043,844,096 - Step 5: Solve for x
x = 4,450,702,507,043,844,096/3,243,767,951.12 - Step 6: Final answer
x = 1,372,077,958.14
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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.