Finding the Fourth Proportional to 1,202,529,715.87, 1,658,901,298.86 and 1,043,536,685.07
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Solution
The fourth proportional to 1,202,529,715.87, 1,658,901,298.86 and 1,043,536,685.07 is: 1,439,568,885.02
Step by Step Solution
- Step 1: Write the proportion equation
1,202,529,715.87 : 1,658,901,298.86 = 1,043,536,685.07 : x - Step 2: Convert to fraction form
1,202,529,715.87/1,658,901,298.86 = 1,043,536,685.07/x - Step 3: Cross multiply
1,202,529,715.87x = 1,658,901,298.86 × 1,043,536,685.07 - Step 4: Simplify right side
1,202,529,715.87x = 1,731,124,362,269,261,056 - Step 5: Solve for x
x = 1,731,124,362,269,261,056/1,202,529,715.87 - Step 6: Final answer
x = 1,439,568,885.02
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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.