Finding the Fourth Proportional to 341,378,575.20, 512,067,862.80 and 341,378,575.20
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Solution
The fourth proportional to 341,378,575.20, 512,067,862.80 and 341,378,575.20 is: 512,067,862.80
Step by Step Solution
- Step 1: Write the proportion equation
341,378,575.20 : 512,067,862.80 = 341,378,575.20 : x - Step 2: Convert to fraction form
341,378,575.20/512,067,862.80 = 341,378,575.20/x - Step 3: Cross multiply
341,378,575.20x = 512,067,862.80 × 341,378,575.20 - Step 4: Simplify right side
341,378,575.20x = 174,808,997,408,373,088 - Step 5: Solve for x
x = 174,808,997,408,373,088/341,378,575.20 - Step 6: Final answer
x = 512,067,862.80
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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.