Finding the Fourth Proportional to 2,319,480,777.28, 3,200,883,939.36 and 1,276,439,241.28
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Solution
The fourth proportional to 2,319,480,777.28, 3,200,883,939.36 and 1,276,439,241.28 is: 1,761,486,409.80
Step by Step Solution
- Step 1: Write the proportion equation
2,319,480,777.28 : 3,200,883,939.36 = 1,276,439,241.28 : x - Step 2: Convert to fraction form
2,319,480,777.28/3,200,883,939.36 = 1,276,439,241.28/x - Step 3: Cross multiply
2,319,480,777.28x = 3,200,883,939.36 × 1,276,439,241.28 - Step 4: Simplify right side
2,319,480,777.28x = 4,085,733,866,982,016,000 - Step 5: Solve for x
x = 4,085,733,866,982,016,000/2,319,480,777.28 - Step 6: Final answer
x = 1,761,486,409.80
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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.