Finding the Fourth Proportional to 2,135,213,956.80, 3,203,303,882.40 and 1,152,619,405.74
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Solution
The fourth proportional to 2,135,213,956.80, 3,203,303,882.40 and 1,152,619,405.74 is: 1,729,189,810.50
Step by Step Solution
- Step 1: Write the proportion equation
2,135,213,956.80 : 3,203,303,882.40 = 1,152,619,405.74 : x - Step 2: Convert to fraction form
2,135,213,956.80/3,203,303,882.40 = 1,152,619,405.74/x - Step 3: Cross multiply
2,135,213,956.80x = 3,203,303,882.40 × 1,152,619,405.74 - Step 4: Simplify right side
2,135,213,956.80x = 3,692,190,217,336,522,752 - Step 5: Solve for x
x = 3,692,190,217,336,522,752/2,135,213,956.80 - Step 6: Final answer
x = 1,729,189,810.50
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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.