Finding the Fourth Proportional to 3,780,288,134.80, 5,670,432,202.20 and 3,598,889,606.80
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Solution
The fourth proportional to 3,780,288,134.80, 5,670,432,202.20 and 3,598,889,606.80 is: 5,398,334,410.20
Step by Step Solution
- Step 1: Write the proportion equation
3,780,288,134.80 : 5,670,432,202.20 = 3,598,889,606.80 : x - Step 2: Convert to fraction form
3,780,288,134.80/5,670,432,202.20 = 3,598,889,606.80/x - Step 3: Cross multiply
3,780,288,134.80x = 5,670,432,202.20 × 3,598,889,606.80 - Step 4: Simplify right side
3,780,288,134.80x = 20,407,259,518,561,615,872 - Step 5: Solve for x
x = 20,407,259,518,561,615,872/3,780,288,134.80 - Step 6: Final answer
x = 5,398,334,410.20
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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.