Finding the Fourth Proportional to 948,244,320.09, 1,422,358,607.43 and 741,156,802.97
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Solution
The fourth proportional to 948,244,320.09, 1,422,358,607.43 and 741,156,802.97 is: 1,111,729,051.07
Step by Step Solution
- Step 1: Write the proportion equation
948,244,320.09 : 1,422,358,607.43 = 741,156,802.97 : x - Step 2: Convert to fraction form
948,244,320.09/1,422,358,607.43 = 741,156,802.97/x - Step 3: Cross multiply
948,244,320.09x = 1,422,358,607.43 × 741,156,802.97 - Step 4: Simplify right side
948,244,320.09x = 1,054,190,758,152,568,448 - Step 5: Solve for x
x = 1,054,190,758,152,568,448/948,244,320.09 - Step 6: Final answer
x = 1,111,729,051.07
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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.