Finding the Fourth Proportional to 673,579,953.28, 929,540,324.16 and 364,530,609.28
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Solution
The fourth proportional to 673,579,953.28, 929,540,324.16 and 364,530,609.28 is: 503,052,234.66
Step by Step Solution
- Step 1: Write the proportion equation
673,579,953.28 : 929,540,324.16 = 364,530,609.28 : x - Step 2: Convert to fraction form
673,579,953.28/929,540,324.16 = 364,530,609.28/x - Step 3: Cross multiply
673,579,953.28x = 929,540,324.16 × 364,530,609.28 - Step 4: Simplify right side
673,579,953.28x = 338,845,900,716,373,440 - Step 5: Solve for x
x = 338,845,900,716,373,440/673,579,953.28 - Step 6: Final answer
x = 503,052,234.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.