Finding the Fourth Proportional to 2,083,996,934.70, 3,125,995,402.05 and 856,757,510.70
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Solution
The fourth proportional to 2,083,996,934.70, 3,125,995,402.05 and 856,757,510.70 is: 1,285,136,266.05
Step by Step Solution
- Step 1: Write the proportion equation
2,083,996,934.70 : 3,125,995,402.05 = 856,757,510.70 : x - Step 2: Convert to fraction form
2,083,996,934.70/3,125,995,402.05 = 856,757,510.70/x - Step 3: Cross multiply
2,083,996,934.70x = 3,125,995,402.05 × 856,757,510.70 - Step 4: Simplify right side
2,083,996,934.70x = 2,678,220,039,120,004,096 - Step 5: Solve for x
x = 2,678,220,039,120,004,096/2,083,996,934.70 - Step 6: Final answer
x = 1,285,136,266.05
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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.