Finding the Fourth Proportional to 2,113,643,449.20, 3,170,465,173.80 and 1,530,144,850.80
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Solution
The fourth proportional to 2,113,643,449.20, 3,170,465,173.80 and 1,530,144,850.80 is: 2,295,217,276.20
Step by Step Solution
- Step 1: Write the proportion equation
2,113,643,449.20 : 3,170,465,173.80 = 1,530,144,850.80 : x - Step 2: Convert to fraction form
2,113,643,449.20/3,170,465,173.80 = 1,530,144,850.80/x - Step 3: Cross multiply
2,113,643,449.20x = 3,170,465,173.80 × 1,530,144,850.80 - Step 4: Simplify right side
2,113,643,449.20x = 4,851,270,960,330,797,056 - Step 5: Solve for x
x = 4,851,270,960,330,797,056/2,113,643,449.20 - Step 6: Final answer
x = 2,295,217,276.20
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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.