Finding the Fourth Proportional to 1,584,251,607.12, 2,375,408,859.30 and 755,458,738.80
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Solution
The fourth proportional to 1,584,251,607.12, 2,375,408,859.30 and 755,458,738.80 is: 1,132,726,249.36
Step by Step Solution
- Step 1: Write the proportion equation
1,584,251,607.12 : 2,375,408,859.30 = 755,458,738.80 : x - Step 2: Convert to fraction form
1,584,251,607.12/2,375,408,859.30 = 755,458,738.80/x - Step 3: Cross multiply
1,584,251,607.12x = 2,375,408,859.30 × 755,458,738.80 - Step 4: Simplify right side
1,584,251,607.12x = 1,794,523,380,972,217,088 - Step 5: Solve for x
x = 1,794,523,380,972,217,088/1,584,251,607.12 - Step 6: Final answer
x = 1,132,726,249.36
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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.