Finding the Fourth Proportional to 2,125,767,401.70, 3,188,651,102.55 and 1,609,206,749.70
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Solution
The fourth proportional to 2,125,767,401.70, 3,188,651,102.55 and 1,609,206,749.70 is: 2,413,810,124.55
Step by Step Solution
- Step 1: Write the proportion equation
2,125,767,401.70 : 3,188,651,102.55 = 1,609,206,749.70 : x - Step 2: Convert to fraction form
2,125,767,401.70/3,188,651,102.55 = 1,609,206,749.70/x - Step 3: Cross multiply
2,125,767,401.70x = 3,188,651,102.55 × 1,609,206,749.70 - Step 4: Simplify right side
2,125,767,401.70x = 5,131,198,876,661,807,104 - Step 5: Solve for x
x = 5,131,198,876,661,807,104/2,125,767,401.70 - Step 6: Final answer
x = 2,413,810,124.55
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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.