Finding the Fourth Proportional to 748,014,758.80, 1,122,022,138.20 and 202,756,292.80
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Solution
The fourth proportional to 748,014,758.80, 1,122,022,138.20 and 202,756,292.80 is: 304,134,439.20
Step by Step Solution
- Step 1: Write the proportion equation
748,014,758.80 : 1,122,022,138.20 = 202,756,292.80 : x - Step 2: Convert to fraction form
748,014,758.80/1,122,022,138.20 = 202,756,292.80/x - Step 3: Cross multiply
748,014,758.80x = 1,122,022,138.20 × 202,756,292.80 - Step 4: Simplify right side
748,014,758.80x = 227,497,049,180,961,280 - Step 5: Solve for x
x = 227,497,049,180,961,280/748,014,758.80 - Step 6: Final answer
x = 304,134,439.20
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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.