Finding the Fourth Proportional to 1,617,461,664.40, 2,426,192,496.60 and 582,482,285.20
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Solution
The fourth proportional to 1,617,461,664.40, 2,426,192,496.60 and 582,482,285.20 is: 873,723,427.80
Step by Step Solution
- Step 1: Write the proportion equation
1,617,461,664.40 : 2,426,192,496.60 = 582,482,285.20 : x - Step 2: Convert to fraction form
1,617,461,664.40/2,426,192,496.60 = 582,482,285.20/x - Step 3: Cross multiply
1,617,461,664.40x = 2,426,192,496.60 × 582,482,285.20 - Step 4: Simplify right side
1,617,461,664.40x = 1,413,214,149,754,661,376 - Step 5: Solve for x
x = 1,413,214,149,754,661,376/1,617,461,664.40 - Step 6: Final answer
x = 873,723,427.80
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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.