Finding the Fourth Proportional to 920,295,568.68, 1,270,039,224.81 and 544,274,489.13
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Solution
The fourth proportional to 920,295,568.68, 1,270,039,224.81 and 544,274,489.13 is: 751,117,329.89
Step by Step Solution
- Step 1: Write the proportion equation
920,295,568.68 : 1,270,039,224.81 = 544,274,489.13 : x - Step 2: Convert to fraction form
920,295,568.68/1,270,039,224.81 = 544,274,489.13/x - Step 3: Cross multiply
920,295,568.68x = 1,270,039,224.81 × 544,274,489.13 - Step 4: Simplify right side
920,295,568.68x = 691,249,950,258,523,904 - Step 5: Solve for x
x = 691,249,950,258,523,904/920,295,568.68 - Step 6: Final answer
x = 751,117,329.89
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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.