Finding the Fourth Proportional to 2,236,554,537.80, 3,354,831,806.70 and 764,356,679.60
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Solution
The fourth proportional to 2,236,554,537.80, 3,354,831,806.70 and 764,356,679.60 is: 1,146,535,019.40
Step by Step Solution
- Step 1: Write the proportion equation
2,236,554,537.80 : 3,354,831,806.70 = 764,356,679.60 : x - Step 2: Convert to fraction form
2,236,554,537.80/3,354,831,806.70 = 764,356,679.60/x - Step 3: Cross multiply
2,236,554,537.80x = 3,354,831,806.70 × 764,356,679.60 - Step 4: Simplify right side
2,236,554,537.80x = 2,564,288,100,385,680,896 - Step 5: Solve for x
x = 2,564,288,100,385,680,896/2,236,554,537.80 - Step 6: Final answer
x = 1,146,535,019.40
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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.