Finding the Fourth Proportional to 3,621,932,129.20, 5,432,898,193.80 and 1,293,984,353.20
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Solution
The fourth proportional to 3,621,932,129.20, 5,432,898,193.80 and 1,293,984,353.20 is: 1,940,976,529.80
Step by Step Solution
- Step 1: Write the proportion equation
3,621,932,129.20 : 5,432,898,193.80 = 1,293,984,353.20 : x - Step 2: Convert to fraction form
3,621,932,129.20/5,432,898,193.80 = 1,293,984,353.20/x - Step 3: Cross multiply
3,621,932,129.20x = 5,432,898,193.80 × 1,293,984,353.20 - Step 4: Simplify right side
3,621,932,129.20x = 7,030,085,255,305,741,312 - Step 5: Solve for x
x = 7,030,085,255,305,741,312/3,621,932,129.20 - Step 6: Final answer
x = 1,940,976,529.80
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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.