Finding the Fourth Proportional to 372,155,231.70, 558,232,847.55 and 268,843,101.30
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Solution
The fourth proportional to 372,155,231.70, 558,232,847.55 and 268,843,101.30 is: 403,264,651.95
Step by Step Solution
- Step 1: Write the proportion equation
372,155,231.70 : 558,232,847.55 = 268,843,101.30 : x - Step 2: Convert to fraction form
372,155,231.70/558,232,847.55 = 268,843,101.30/x - Step 3: Cross multiply
372,155,231.70x = 558,232,847.55 × 268,843,101.30 - Step 4: Simplify right side
372,155,231.70x = 150,077,049,982,872,096 - Step 5: Solve for x
x = 150,077,049,982,872,096/372,155,231.70 - Step 6: Final answer
x = 403,264,651.95
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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.