Finding the Fourth Proportional to 912,324,541.36, 1,356,750,698.24 and 883,267,709.44
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Solution
The fourth proportional to 912,324,541.36, 1,356,750,698.24 and 883,267,709.44 is: 1,313,539,236.52
Step by Step Solution
- Step 1: Write the proportion equation
912,324,541.36 : 1,356,750,698.24 = 883,267,709.44 : x - Step 2: Convert to fraction form
912,324,541.36/1,356,750,698.24 = 883,267,709.44/x - Step 3: Cross multiply
912,324,541.36x = 1,356,750,698.24 × 883,267,709.44 - Step 4: Simplify right side
912,324,541.36x = 1,198,374,081,515,565,568 - Step 5: Solve for x
x = 1,198,374,081,515,565,568/912,324,541.36 - Step 6: Final answer
x = 1,313,539,236.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.