Finding the Fourth Proportional to 13,176,504,288.18, 19,764,713,322.09 and 4,782,398,730.84
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Solution
The fourth proportional to 13,176,504,288.18, 19,764,713,322.09 and 4,782,398,730.84 is: 7,173,582,449.46
Step by Step Solution
- Step 1: Write the proportion equation
13,176,504,288.18 : 19,764,713,322.09 = 4,782,398,730.84 : x - Step 2: Convert to fraction form
13,176,504,288.18/19,764,713,322.09 = 4,782,398,730.84/x - Step 3: Cross multiply
13,176,504,288.18x = 19,764,713,322.09 × 4,782,398,730.84 - Step 4: Simplify right side
13,176,504,288.18x = 94,522,739,906,979,659,776 - Step 5: Solve for x
x = 94,522,739,906,979,659,776/13,176,504,288.18 - Step 6: Final answer
x = 7,173,582,449.46
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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.