Finding the Fourth Proportional to 957,595,169.01, 1,321,480,736.35 and 517,562,021.01
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Solution
The fourth proportional to 957,595,169.01, 1,321,480,736.35 and 517,562,021.01 is: 714,235,266.39
Step by Step Solution
- Step 1: Write the proportion equation
957,595,169.01 : 1,321,480,736.35 = 517,562,021.01 : x - Step 2: Convert to fraction form
957,595,169.01/1,321,480,736.35 = 517,562,021.01/x - Step 3: Cross multiply
957,595,169.01x = 1,321,480,736.35 × 517,562,021.01 - Step 4: Simplify right side
957,595,169.01x = 683,948,240,629,795,072 - Step 5: Solve for x
x = 683,948,240,629,795,072/957,595,169.01 - Step 6: Final answer
x = 714,235,266.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.