Finding the Fourth Proportional to 3,870,775,350.40, 5,806,163,025.60 and 2,129,349,481.60
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Solution
The fourth proportional to 3,870,775,350.40, 5,806,163,025.60 and 2,129,349,481.60 is: 3,194,024,222.40
Step by Step Solution
- Step 1: Write the proportion equation
3,870,775,350.40 : 5,806,163,025.60 = 2,129,349,481.60 : x - Step 2: Convert to fraction form
3,870,775,350.40/5,806,163,025.60 = 2,129,349,481.60/x - Step 3: Cross multiply
3,870,775,350.40x = 5,806,163,025.60 × 2,129,349,481.60 - Step 4: Simplify right side
3,870,775,350.40x = 12,363,350,228,646,447,104 - Step 5: Solve for x
x = 12,363,350,228,646,447,104/3,870,775,350.40 - Step 6: Final answer
x = 3,194,024,222.40
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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.