Finding the Fourth Proportional to 1,469,729,213.80, 2,204,593,820.70 and 1,214,637,533.80
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Solution
The fourth proportional to 1,469,729,213.80, 2,204,593,820.70 and 1,214,637,533.80 is: 1,821,956,300.70
Step by Step Solution
- Step 1: Write the proportion equation
1,469,729,213.80 : 2,204,593,820.70 = 1,214,637,533.80 : x - Step 2: Convert to fraction form
1,469,729,213.80/2,204,593,820.70 = 1,214,637,533.80/x - Step 3: Cross multiply
1,469,729,213.80x = 2,204,593,820.70 × 1,214,637,533.80 - Step 4: Simplify right side
1,469,729,213.80x = 2,677,782,401,405,767,168 - Step 5: Solve for x
x = 2,677,782,401,405,767,168/1,469,729,213.80 - Step 6: Final answer
x = 1,821,956,300.70
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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.