Finding the Fourth Proportional to 873,088,243.20, 1,309,632,364.80 and 597,589,228.80
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Solution
The fourth proportional to 873,088,243.20, 1,309,632,364.80 and 597,589,228.80 is: 896,383,843.20
Step by Step Solution
- Step 1: Write the proportion equation
873,088,243.20 : 1,309,632,364.80 = 597,589,228.80 : x - Step 2: Convert to fraction form
873,088,243.20/1,309,632,364.80 = 597,589,228.80/x - Step 3: Cross multiply
873,088,243.20x = 1,309,632,364.80 × 597,589,228.80 - Step 4: Simplify right side
873,088,243.20x = 782,622,194,892,352,128 - Step 5: Solve for x
x = 782,622,194,892,352,128/873,088,243.20 - Step 6: Final answer
x = 896,383,843.20
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Double scale
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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.