Finding the Fourth Proportional to 2,867,222,716.80, 4,297,810,766.40 and 1,119,750,230.40
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Solution
The fourth proportional to 2,867,222,716.80, 4,297,810,766.40 and 1,119,750,230.40 is: 1,678,444,638.32
Step by Step Solution
- Step 1: Write the proportion equation
2,867,222,716.80 : 4,297,810,766.40 = 1,119,750,230.40 : x - Step 2: Convert to fraction form
2,867,222,716.80/4,297,810,766.40 = 1,119,750,230.40/x - Step 3: Cross multiply
2,867,222,716.80x = 4,297,810,766.40 × 1,119,750,230.40 - Step 4: Simplify right side
2,867,222,716.80x = 4,812,474,595,892,000,768 - Step 5: Solve for x
x = 4,812,474,595,892,000,768/2,867,222,716.80 - Step 6: Final answer
x = 1,678,444,638.32
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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.