Finding the Fourth Proportional to 2,948,618,394.31, 4,423,548,765.84 and 956,504,903.14
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Solution
The fourth proportional to 2,948,618,394.31, 4,423,548,765.84 and 956,504,903.14 is: 1,434,958,858.01
Step by Step Solution
- Step 1: Write the proportion equation
2,948,618,394.31 : 4,423,548,765.84 = 956,504,903.14 : x - Step 2: Convert to fraction form
2,948,618,394.31/4,423,548,765.84 = 956,504,903.14/x - Step 3: Cross multiply
2,948,618,394.31x = 4,423,548,765.84 × 956,504,903.14 - Step 4: Simplify right side
2,948,618,394.31x = 4,231,146,083,800,073,216 - Step 5: Solve for x
x = 4,231,146,083,800,073,216/2,948,618,394.31 - Step 6: Final answer
x = 1,434,958,858.01
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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.