Finding the Fourth Proportional to 6,635,163,321.80, 9,952,744,982.70 and 4,031,527,574.60
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Solution
The fourth proportional to 6,635,163,321.80, 9,952,744,982.70 and 4,031,527,574.60 is: 6,047,291,361.90
Step by Step Solution
- Step 1: Write the proportion equation
6,635,163,321.80 : 9,952,744,982.70 = 4,031,527,574.60 : x - Step 2: Convert to fraction form
6,635,163,321.80/9,952,744,982.70 = 4,031,527,574.60/x - Step 3: Cross multiply
6,635,163,321.80x = 9,952,744,982.70 × 4,031,527,574.60 - Step 4: Simplify right side
6,635,163,321.80x = 40,124,765,840,716,849,152 - Step 5: Solve for x
x = 40,124,765,840,716,849,152/6,635,163,321.80 - Step 6: Final answer
x = 6,047,291,361.90
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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.