Finding the Fourth Proportional to 3,107,659,319.40, 4,289,367,791.26 and 2,024,041,485.99
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Solution
The fourth proportional to 3,107,659,319.40, 4,289,367,791.26 and 2,024,041,485.99 is: 2,793,696,948.70
Step by Step Solution
- Step 1: Write the proportion equation
3,107,659,319.40 : 4,289,367,791.26 = 2,024,041,485.99 : x - Step 2: Convert to fraction form
3,107,659,319.40/4,289,367,791.26 = 2,024,041,485.99/x - Step 3: Cross multiply
3,107,659,319.40x = 4,289,367,791.26 × 2,024,041,485.99 - Step 4: Simplify right side
3,107,659,319.40x = 8,681,858,358,179,534,848 - Step 5: Solve for x
x = 8,681,858,358,179,534,848/3,107,659,319.40 - Step 6: Final answer
x = 2,793,696,948.70
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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.