Finding the Fourth Proportional to 4,535,146,739.20, 6,802,720,108.80 and 3,438,693,414.40
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Solution
The fourth proportional to 4,535,146,739.20, 6,802,720,108.80 and 3,438,693,414.40 is: 5,158,040,121.60
Step by Step Solution
- Step 1: Write the proportion equation
4,535,146,739.20 : 6,802,720,108.80 = 3,438,693,414.40 : x - Step 2: Convert to fraction form
4,535,146,739.20/6,802,720,108.80 = 3,438,693,414.40/x - Step 3: Cross multiply
4,535,146,739.20x = 6,802,720,108.80 × 3,438,693,414.40 - Step 4: Simplify right side
4,535,146,739.20x = 23,392,468,838,137,012,224 - Step 5: Solve for x
x = 23,392,468,838,137,012,224/4,535,146,739.20 - Step 6: Final answer
x = 5,158,040,121.60
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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.