Finding the Fourth Proportional to 3,276,299,390.40, 4,914,449,085.60 and 1,207,505,865.60
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Solution
The fourth proportional to 3,276,299,390.40, 4,914,449,085.60 and 1,207,505,865.60 is: 1,811,258,798.40
Step by Step Solution
- Step 1: Write the proportion equation
3,276,299,390.40 : 4,914,449,085.60 = 1,207,505,865.60 : x - Step 2: Convert to fraction form
3,276,299,390.40/4,914,449,085.60 = 1,207,505,865.60/x - Step 3: Cross multiply
3,276,299,390.40x = 4,914,449,085.60 × 1,207,505,865.60 - Step 4: Simplify right side
3,276,299,390.40x = 5,934,226,097,054,556,160 - Step 5: Solve for x
x = 5,934,226,097,054,556,160/3,276,299,390.40 - Step 6: Final answer
x = 1,811,258,798.40
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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.