Finding the Fourth Proportional to 3,989,113,708.20, 5,983,670,562.30 and 2,336,119,621.80
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Solution
The fourth proportional to 3,989,113,708.20, 5,983,670,562.30 and 2,336,119,621.80 is: 3,504,179,432.70
Step by Step Solution
- Step 1: Write the proportion equation
3,989,113,708.20 : 5,983,670,562.30 = 2,336,119,621.80 : x - Step 2: Convert to fraction form
3,989,113,708.20/5,983,670,562.30 = 2,336,119,621.80/x - Step 3: Cross multiply
3,989,113,708.20x = 5,983,670,562.30 × 2,336,119,621.80 - Step 4: Simplify right side
3,989,113,708.20x = 13,978,570,210,976,071,680 - Step 5: Solve for x
x = 13,978,570,210,976,071,680/3,989,113,708.20 - Step 6: Final answer
x = 3,504,179,432.70
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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.