Finding the Fourth Proportional to 6,388,105,739.44, 9,573,593,439.48 and 4,971,713,238.12
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Solution
The fourth proportional to 6,388,105,739.44, 9,573,593,439.48 and 4,971,713,238.12 is: 7,450,903,786.01
Step by Step Solution
- Step 1: Write the proportion equation
6,388,105,739.44 : 9,573,593,439.48 = 4,971,713,238.12 : x - Step 2: Convert to fraction form
6,388,105,739.44/9,573,593,439.48 = 4,971,713,238.12/x - Step 3: Cross multiply
6,388,105,739.44x = 9,573,593,439.48 × 4,971,713,238.12 - Step 4: Simplify right side
6,388,105,739.44x = 47,597,161,239,441,498,112 - Step 5: Solve for x
x = 47,597,161,239,441,498,112/6,388,105,739.44 - Step 6: Final answer
x = 7,450,903,786.01
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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.