Finding the Fourth Proportional to 2,799,468,048.70, 4,199,202,073.05 and 958,608,912.70
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Solution
The fourth proportional to 2,799,468,048.70, 4,199,202,073.05 and 958,608,912.70 is: 1,437,913,369.05
Step by Step Solution
- Step 1: Write the proportion equation
2,799,468,048.70 : 4,199,202,073.05 = 958,608,912.70 : x - Step 2: Convert to fraction form
2,799,468,048.70/4,199,202,073.05 = 958,608,912.70/x - Step 3: Cross multiply
2,799,468,048.70x = 4,199,202,073.05 × 958,608,912.70 - Step 4: Simplify right side
2,799,468,048.70x = 4,025,392,533,454,046,720 - Step 5: Solve for x
x = 4,025,392,533,454,046,720/2,799,468,048.70 - Step 6: Final answer
x = 1,437,913,369.05
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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.