Finding the Fourth Proportional to 984,140,044.20, 1,475,202,296.70 and 574,985,586.60
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Solution
The fourth proportional to 984,140,044.20, 1,475,202,296.70 and 574,985,586.60 is: 861,889,588.70
Step by Step Solution
- Step 1: Write the proportion equation
984,140,044.20 : 1,475,202,296.70 = 574,985,586.60 : x - Step 2: Convert to fraction form
984,140,044.20/1,475,202,296.70 = 574,985,586.60/x - Step 3: Cross multiply
984,140,044.20x = 1,475,202,296.70 × 574,985,586.60 - Step 4: Simplify right side
984,140,044.20x = 848,220,057,921,716,864 - Step 5: Solve for x
x = 848,220,057,921,716,864/984,140,044.20 - Step 6: Final answer
x = 861,889,588.70
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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.