Finding the Fourth Proportional to 1,491,807,202.73, 2,237,329,121.50 and 442,299,994.98
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Solution
The fourth proportional to 1,491,807,202.73, 2,237,329,121.50 and 442,299,994.98 is: 663,336,828.92
Step by Step Solution
- Step 1: Write the proportion equation
1,491,807,202.73 : 2,237,329,121.50 = 442,299,994.98 : x - Step 2: Convert to fraction form
1,491,807,202.73/2,237,329,121.50 = 442,299,994.98/x - Step 3: Cross multiply
1,491,807,202.73x = 2,237,329,121.50 × 442,299,994.98 - Step 4: Simplify right side
1,491,807,202.73x = 989,570,659,212,794,880 - Step 5: Solve for x
x = 989,570,659,212,794,880/1,491,807,202.73 - Step 6: Final answer
x = 663,336,828.92
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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.