Finding the Fourth Proportional to 2,238,336,014.60, 3,357,504,021.90 and 784,124,481.80
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Solution
The fourth proportional to 2,238,336,014.60, 3,357,504,021.90 and 784,124,481.80 is: 1,176,186,722.70
Step by Step Solution
- Step 1: Write the proportion equation
2,238,336,014.60 : 3,357,504,021.90 = 784,124,481.80 : x - Step 2: Convert to fraction form
2,238,336,014.60/3,357,504,021.90 = 784,124,481.80/x - Step 3: Cross multiply
2,238,336,014.60x = 3,357,504,021.90 × 784,124,481.80 - Step 4: Simplify right side
2,238,336,014.60x = 2,632,701,101,313,753,088 - Step 5: Solve for x
x = 2,632,701,101,313,753,088/2,238,336,014.60 - Step 6: Final answer
x = 1,176,186,722.70
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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.