Finding the Fourth Proportional to 2,588,888,408.22, 3,886,096,102.65 and 1,115,755,213.74
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Solution
The fourth proportional to 2,588,888,408.22, 3,886,096,102.65 and 1,115,755,213.74 is: 1,674,823,825.49
Step by Step Solution
- Step 1: Write the proportion equation
2,588,888,408.22 : 3,886,096,102.65 = 1,115,755,213.74 : x - Step 2: Convert to fraction form
2,588,888,408.22/3,886,096,102.65 = 1,115,755,213.74/x - Step 3: Cross multiply
2,588,888,408.22x = 3,886,096,102.65 × 1,115,755,213.74 - Step 4: Simplify right side
2,588,888,408.22x = 4,335,931,987,626,432,000 - Step 5: Solve for x
x = 4,335,931,987,626,432,000/2,588,888,408.22 - Step 6: Final answer
x = 1,674,823,825.49
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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.