Finding the Fourth Proportional to 4,619,336,586.30, 6,929,004,879.45 and 2,782,676,490.30
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Solution
The fourth proportional to 4,619,336,586.30, 6,929,004,879.45 and 2,782,676,490.30 is: 4,174,014,735.45
Step by Step Solution
- Step 1: Write the proportion equation
4,619,336,586.30 : 6,929,004,879.45 = 2,782,676,490.30 : x - Step 2: Convert to fraction form
4,619,336,586.30/6,929,004,879.45 = 2,782,676,490.30/x - Step 3: Cross multiply
4,619,336,586.30x = 6,929,004,879.45 × 2,782,676,490.30 - Step 4: Simplify right side
4,619,336,586.30x = 19,281,178,979,219,501,056 - Step 5: Solve for x
x = 19,281,178,979,219,501,056/4,619,336,586.30 - Step 6: Final answer
x = 4,174,014,735.45
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Double scale
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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.