Finding the Fourth Proportional to 814,519,576.22, 1,124,599,371.64 and 762,480,873.50
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Solution
The fourth proportional to 814,519,576.22, 1,124,599,371.64 and 762,480,873.50 is: 1,052,750,033.59
Step by Step Solution
- Step 1: Write the proportion equation
814,519,576.22 : 1,124,599,371.64 = 762,480,873.50 : x - Step 2: Convert to fraction form
814,519,576.22/1,124,599,371.64 = 762,480,873.50/x - Step 3: Cross multiply
814,519,576.22x = 1,124,599,371.64 × 762,480,873.50 - Step 4: Simplify right side
814,519,576.22x = 857,485,511,225,618,432 - Step 5: Solve for x
x = 857,485,511,225,618,432/814,519,576.22 - Step 6: Final answer
x = 1,052,750,033.59
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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.