Finding the Fourth Proportional to 543,274,183.70, 814,911,275.55 and 543,274,183.70
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Solution
The fourth proportional to 543,274,183.70, 814,911,275.55 and 543,274,183.70 is: 814,911,275.55
Step by Step Solution
- Step 1: Write the proportion equation
543,274,183.70 : 814,911,275.55 = 543,274,183.70 : x - Step 2: Convert to fraction form
543,274,183.70/814,911,275.55 = 543,274,183.70/x - Step 3: Cross multiply
543,274,183.70x = 814,911,275.55 × 543,274,183.70 - Step 4: Simplify right side
543,274,183.70x = 442,720,258,012,352,000 - Step 5: Solve for x
x = 442,720,258,012,352,000/543,274,183.70 - Step 6: Final answer
x = 814,911,275.55
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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.