Finding the Fourth Proportional to 748,014,761.80, 1,122,022,142.70 and 202,756,295.80
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Solution
The fourth proportional to 748,014,761.80, 1,122,022,142.70 and 202,756,295.80 is: 304,134,443.70
Step by Step Solution
- Step 1: Write the proportion equation
748,014,761.80 : 1,122,022,142.70 = 202,756,295.80 : x - Step 2: Convert to fraction form
748,014,761.80/1,122,022,142.70 = 202,756,295.80/x - Step 3: Cross multiply
748,014,761.80x = 1,122,022,142.70 × 202,756,295.80 - Step 4: Simplify right side
748,014,761.80x = 227,497,053,459,431,040 - Step 5: Solve for x
x = 227,497,053,459,431,040/748,014,761.80 - Step 6: Final answer
x = 304,134,443.70
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Similar ratio
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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.