Finding the Fourth Proportional to 2,113,643,493.70, 3,170,465,240.55 and 1,530,144,895.30
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Solution
The fourth proportional to 2,113,643,493.70, 3,170,465,240.55 and 1,530,144,895.30 is: 2,295,217,342.95
Step by Step Solution
- Step 1: Write the proportion equation
2,113,643,493.70 : 3,170,465,240.55 = 1,530,144,895.30 : x - Step 2: Convert to fraction form
2,113,643,493.70/3,170,465,240.55 = 1,530,144,895.30/x - Step 3: Cross multiply
2,113,643,493.70x = 3,170,465,240.55 × 1,530,144,895.30 - Step 4: Simplify right side
2,113,643,493.70x = 4,851,271,203,553,669,120 - Step 5: Solve for x
x = 4,851,271,203,553,669,120/2,113,643,493.70 - Step 6: Final answer
x = 2,295,217,342.95
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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.