Finding the Fourth Proportional to 3,723,430,120.80, 5,585,145,181.20 and 1,650,951,938.40
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Solution
The fourth proportional to 3,723,430,120.80, 5,585,145,181.20 and 1,650,951,938.40 is: 2,476,427,907.60
Step by Step Solution
- Step 1: Write the proportion equation
3,723,430,120.80 : 5,585,145,181.20 = 1,650,951,938.40 : x - Step 2: Convert to fraction form
3,723,430,120.80/5,585,145,181.20 = 1,650,951,938.40/x - Step 3: Cross multiply
3,723,430,120.80x = 5,585,145,181.20 × 1,650,951,938.40 - Step 4: Simplify right side
3,723,430,120.80x = 9,220,806,263,147,559,936 - Step 5: Solve for x
x = 9,220,806,263,147,559,936/3,723,430,120.80 - Step 6: Final answer
x = 2,476,427,907.60
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1.5x scale
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.