Finding the Fourth Proportional to 3,287,205,624.96, 4,540,113,744.72 and 2,163,193,313.10
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Solution
The fourth proportional to 3,287,205,624.96, 4,540,113,744.72 and 2,163,193,313.10 is: 2,987,687,663.56
Step by Step Solution
- Step 1: Write the proportion equation
3,287,205,624.96 : 4,540,113,744.72 = 2,163,193,313.10 : x - Step 2: Convert to fraction form
3,287,205,624.96/4,540,113,744.72 = 2,163,193,313.10/x - Step 3: Cross multiply
3,287,205,624.96x = 4,540,113,744.72 × 2,163,193,313.10 - Step 4: Simplify right side
3,287,205,624.96x = 9,821,143,693,291,704,320 - Step 5: Solve for x
x = 9,821,143,693,291,704,320/3,287,205,624.96 - Step 6: Final answer
x = 2,987,687,663.56
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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.