Finding the Fourth Proportional to 1,327,104,936.40, 1,990,657,404.60 and 1,157,235,624.40
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Solution
The fourth proportional to 1,327,104,936.40, 1,990,657,404.60 and 1,157,235,624.40 is: 1,735,853,436.60
Step by Step Solution
- Step 1: Write the proportion equation
1,327,104,936.40 : 1,990,657,404.60 = 1,157,235,624.40 : x - Step 2: Convert to fraction form
1,327,104,936.40/1,990,657,404.60 = 1,157,235,624.40/x - Step 3: Cross multiply
1,327,104,936.40x = 1,990,657,404.60 × 1,157,235,624.40 - Step 4: Simplify right side
1,327,104,936.40x = 2,303,659,664,578,764,544 - Step 5: Solve for x
x = 2,303,659,664,578,764,544/1,327,104,936.40 - Step 6: Final answer
x = 1,735,853,436.60
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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.