Finding the Fourth Proportional to 998,491,036.70, 1,497,736,555.05 and 454,295,452.70
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Solution
The fourth proportional to 998,491,036.70, 1,497,736,555.05 and 454,295,452.70 is: 681,443,179.05
Step by Step Solution
- Step 1: Write the proportion equation
998,491,036.70 : 1,497,736,555.05 = 454,295,452.70 : x - Step 2: Convert to fraction form
998,491,036.70/1,497,736,555.05 = 454,295,452.70/x - Step 3: Cross multiply
998,491,036.70x = 1,497,736,555.05 × 454,295,452.70 - Step 4: Simplify right side
998,491,036.70x = 680,414,906,301,778,176 - Step 5: Solve for x
x = 680,414,906,301,778,176/998,491,036.70 - Step 6: Final answer
x = 681,443,179.05
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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.