Finding the Fourth Proportional to 3,989,088,363.20, 5,983,632,544.80 and 1,812,306,027.20
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Solution
The fourth proportional to 3,989,088,363.20, 5,983,632,544.80 and 1,812,306,027.20 is: 2,718,459,040.80
Step by Step Solution
- Step 1: Write the proportion equation
3,989,088,363.20 : 5,983,632,544.80 = 1,812,306,027.20 : x - Step 2: Convert to fraction form
3,989,088,363.20/5,983,632,544.80 = 1,812,306,027.20/x - Step 3: Cross multiply
3,989,088,363.20x = 5,983,632,544.80 × 1,812,306,027.20 - Step 4: Simplify right side
3,989,088,363.20x = 10,844,173,325,491,113,984 - Step 5: Solve for x
x = 10,844,173,325,491,113,984/3,989,088,363.20 - Step 6: Final answer
x = 2,718,459,040.80
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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.