Finding the Fourth Proportional to 1,434,299,532.08, 1,979,313,234.39 and 799,246,790.19
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Solution
The fourth proportional to 1,434,299,532.08, 1,979,313,234.39 and 799,246,790.19 is: 1,102,949,358.90
Step by Step Solution
- Step 1: Write the proportion equation
1,434,299,532.08 : 1,979,313,234.39 = 799,246,790.19 : x - Step 2: Convert to fraction form
1,434,299,532.08/1,979,313,234.39 = 799,246,790.19/x - Step 3: Cross multiply
1,434,299,532.08x = 1,979,313,234.39 × 799,246,790.19 - Step 4: Simplify right side
1,434,299,532.08x = 1,581,959,749,366,794,752 - Step 5: Solve for x
x = 1,581,959,749,366,794,752/1,434,299,532.08 - Step 6: Final answer
x = 1,102,949,358.90
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.