Finding the Fourth Proportional to 702,716,750.21, 1,047,792,651.02 and 683,410,043.61
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Solution
The fourth proportional to 702,716,750.21, 1,047,792,651.02 and 683,410,043.61 is: 1,019,005,198.20
Step by Step Solution
- Step 1: Write the proportion equation
702,716,750.21 : 1,047,792,651.02 = 683,410,043.61 : x - Step 2: Convert to fraction form
702,716,750.21/1,047,792,651.02 = 683,410,043.61/x - Step 3: Cross multiply
702,716,750.21x = 1,047,792,651.02 × 683,410,043.61 - Step 4: Simplify right side
702,716,750.21x = 716,072,021,327,815,680 - Step 5: Solve for x
x = 716,072,021,327,815,680/702,716,750.21 - Step 6: Final answer
x = 1,019,005,198.20
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.