Finding the Fourth Proportional to 2,958,485,743.75, 4,082,776,414.44 and 1,688,301,438.96
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Solution
The fourth proportional to 2,958,485,743.75, 4,082,776,414.44 and 1,688,301,438.96 is: 2,329,893,699.85
Step by Step Solution
- Step 1: Write the proportion equation
2,958,485,743.75 : 4,082,776,414.44 = 1,688,301,438.96 : x - Step 2: Convert to fraction form
2,958,485,743.75/4,082,776,414.44 = 1,688,301,438.96/x - Step 3: Cross multiply
2,958,485,743.75x = 4,082,776,414.44 × 1,688,301,438.96 - Step 4: Simplify right side
2,958,485,743.75x = 6,892,957,295,442,560,000 - Step 5: Solve for x
x = 6,892,957,295,442,560,000/2,958,485,743.75 - Step 6: Final answer
x = 2,329,893,699.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.