Finding the Fourth Proportional to 871,444,179.36, 1,202,635,511.57 and 490,086,214.28
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Solution
The fourth proportional to 871,444,179.36, 1,202,635,511.57 and 490,086,214.28 is: 676,342,901.79
Step by Step Solution
- Step 1: Write the proportion equation
871,444,179.36 : 1,202,635,511.57 = 490,086,214.28 : x - Step 2: Convert to fraction form
871,444,179.36/1,202,635,511.57 = 490,086,214.28/x - Step 3: Cross multiply
871,444,179.36x = 1,202,635,511.57 × 490,086,214.28 - Step 4: Simplify right side
871,444,179.36x = 589,395,085,019,244,416 - Step 5: Solve for x
x = 589,395,085,019,244,416/871,444,179.36 - Step 6: Final answer
x = 676,342,901.79
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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.