Finding the Fourth Proportional to 2,311,507,542,001.40, 3,189,882,498,657 and 1,269,885,855,174.70
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Solution
The fourth proportional to 2,311,507,542,001.40, 3,189,882,498,657 and 1,269,885,855,174.70 is: 1,752,443,628,717.95
Step by Step Solution
- Step 1: Write the proportion equation
2,311,507,542,001.40 : 3,189,882,498,657 = 1,269,885,855,174.70 : x - Step 2: Convert to fraction form
2,311,507,542,001.40/3,189,882,498,657 = 1,269,885,855,174.70/x - Step 3: Cross multiply
2,311,507,542,001.40x = 3,189,882,498,657 × 1,269,885,855,174.70 - Step 4: Simplify right side
2,311,507,542,001.40x = 4,050,786,664,713,853,308,239,872 - Step 5: Solve for x
x = 4,050,786,664,713,853,308,239,872/2,311,507,542,001.40 - Step 6: Final answer
x = 1,752,443,628,717.95
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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.