Finding the Fourth Proportional to 3,621,672,465.70, 5,432,508,698.55 and 1,036,743,441.70
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Solution
The fourth proportional to 3,621,672,465.70, 5,432,508,698.55 and 1,036,743,441.70 is: 1,555,115,162.55
Step by Step Solution
- Step 1: Write the proportion equation
3,621,672,465.70 : 5,432,508,698.55 = 1,036,743,441.70 : x - Step 2: Convert to fraction form
3,621,672,465.70/5,432,508,698.55 = 1,036,743,441.70/x - Step 3: Cross multiply
3,621,672,465.70x = 5,432,508,698.55 × 1,036,743,441.70 - Step 4: Simplify right side
3,621,672,465.70x = 5,632,117,765,199,915,008 - Step 5: Solve for x
x = 5,632,117,765,199,915,008/3,621,672,465.70 - Step 6: Final answer
x = 1,555,115,162.55
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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.