Finding the Fourth Proportional to 1,154,559,046.14, 1,593,303,969.21 and 678,269,491.38
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Solution
The fourth proportional to 1,154,559,046.14, 1,593,303,969.21 and 678,269,491.38 is: 936,019,232.99
Step by Step Solution
- Step 1: Write the proportion equation
1,154,559,046.14 : 1,593,303,969.21 = 678,269,491.38 : x - Step 2: Convert to fraction form
1,154,559,046.14/1,593,303,969.21 = 678,269,491.38/x - Step 3: Cross multiply
1,154,559,046.14x = 1,593,303,969.21 × 678,269,491.38 - Step 4: Simplify right side
1,154,559,046.14x = 1,080,689,472,809,801,856 - Step 5: Solve for x
x = 1,080,689,472,809,801,856/1,154,559,046.14 - Step 6: Final answer
x = 936,019,232.99
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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.