Finding the Fourth Proportional to 937,728,049.05, 1,406,592,073.58 and 479,080,906.65
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Solution
The fourth proportional to 937,728,049.05, 1,406,592,073.58 and 479,080,906.65 is: 718,621,359.98
Step by Step Solution
- Step 1: Write the proportion equation
937,728,049.05 : 1,406,592,073.58 = 479,080,906.65 : x - Step 2: Convert to fraction form
937,728,049.05/1,406,592,073.58 = 479,080,906.65/x - Step 3: Cross multiply
937,728,049.05x = 1,406,592,073.58 × 479,080,906.65 - Step 4: Simplify right side
937,728,049.05x = 673,871,405,895,014,528 - Step 5: Solve for x
x = 673,871,405,895,014,528/937,728,049.05 - Step 6: Final answer
x = 718,621,359.98
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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.