Finding the Fourth Proportional to 4,378,468,366.79, 6,568,547,541.36 and 1,429,955,311.24
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Solution
The fourth proportional to 4,378,468,366.79, 6,568,547,541.36 and 1,429,955,311.24 is: 2,145,208,930.85
Step by Step Solution
- Step 1: Write the proportion equation
4,378,468,366.79 : 6,568,547,541.36 = 1,429,955,311.24 : x - Step 2: Convert to fraction form
4,378,468,366.79/6,568,547,541.36 = 1,429,955,311.24/x - Step 3: Cross multiply
4,378,468,366.79x = 6,568,547,541.36 × 1,429,955,311.24 - Step 4: Simplify right side
4,378,468,366.79x = 9,392,729,443,900,174,336 - Step 5: Solve for x
x = 9,392,729,443,900,174,336/4,378,468,366.79 - Step 6: Final answer
x = 2,145,208,930.85
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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.