Finding the Fourth Proportional to 3,742,848,991.66, 5,165,096,273.57 and 2,156,358,251.02
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Solution
The fourth proportional to 3,742,848,991.66, 5,165,096,273.57 and 2,156,358,251.02 is: 2,975,754,028.99
Step by Step Solution
- Step 1: Write the proportion equation
3,742,848,991.66 : 5,165,096,273.57 = 2,156,358,251.02 : x - Step 2: Convert to fraction form
3,742,848,991.66/5,165,096,273.57 = 2,156,358,251.02/x - Step 3: Cross multiply
3,742,848,991.66x = 5,165,096,273.57 × 2,156,358,251.02 - Step 4: Simplify right side
3,742,848,991.66x = 11,137,797,966,825,324,544 - Step 5: Solve for x
x = 11,137,797,966,825,324,544/3,742,848,991.66 - Step 6: Final answer
x = 2,975,754,028.99
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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.