Finding the Fourth Proportional to 2,640,198,962,912.50, 3,960,298,444,368.70 and 944,227,030,266.05
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Solution
The fourth proportional to 2,640,198,962,912.50, 3,960,298,444,368.70 and 944,227,030,266.05 is: 1,416,340,545,399.06
Step by Step Solution
- Step 1: Write the proportion equation
2,640,198,962,912.50 : 3,960,298,444,368.70 = 944,227,030,266.05 : x - Step 2: Convert to fraction form
2,640,198,962,912.50/3,960,298,444,368.70 = 944,227,030,266.05/x - Step 3: Cross multiply
2,640,198,962,912.50x = 3,960,298,444,368.70 × 944,227,030,266.05 - Step 4: Simplify right side
2,640,198,962,912.50x = 3,739,420,839,093,515,640,111,104 - Step 5: Solve for x
x = 3,739,420,839,093,515,640,111,104/2,640,198,962,912.50 - Step 6: Final answer
x = 1,416,340,545,399.06
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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.