Finding the Fourth Proportional to 874,727,584, 1,207,149,260.16 and 483,612,202.24
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Solution
The fourth proportional to 874,727,584, 1,207,149,260.16 and 483,612,202.24 is: 667,398,768.28
Step by Step Solution
- Step 1: Write the proportion equation
874,727,584 : 1,207,149,260.16 = 483,612,202.24 : x - Step 2: Convert to fraction form
874,727,584/1,207,149,260.16 = 483,612,202.24/x - Step 3: Cross multiply
874,727,584x = 1,207,149,260.16 × 483,612,202.24 - Step 4: Simplify right side
874,727,584x = 583,792,112,138,364,288 - Step 5: Solve for x
x = 583,792,112,138,364,288/874,727,584 - Step 6: Final answer
x = 667,398,768.28
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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.