Finding the Fourth Proportional to 3,209,879,620.80, 4,814,819,431.20 and 2,334,631,723.20
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Solution
The fourth proportional to 3,209,879,620.80, 4,814,819,431.20 and 2,334,631,723.20 is: 3,501,947,584.80
Step by Step Solution
- Step 1: Write the proportion equation
3,209,879,620.80 : 4,814,819,431.20 = 2,334,631,723.20 : x - Step 2: Convert to fraction form
3,209,879,620.80/4,814,819,431.20 = 2,334,631,723.20/x - Step 3: Cross multiply
3,209,879,620.80x = 4,814,819,431.20 × 2,334,631,723.20 - Step 4: Simplify right side
3,209,879,620.80x = 11,240,830,185,559,298,048 - Step 5: Solve for x
x = 11,240,830,185,559,298,048/3,209,879,620.80 - Step 6: Final answer
x = 3,501,947,584.80
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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.