Finding the Fourth Proportional to 451,036,785.70, 676,555,178.55 and 221,454,273.70
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Solution
The fourth proportional to 451,036,785.70, 676,555,178.55 and 221,454,273.70 is: 332,181,410.55
Step by Step Solution
- Step 1: Write the proportion equation
451,036,785.70 : 676,555,178.55 = 221,454,273.70 : x - Step 2: Convert to fraction form
451,036,785.70/676,555,178.55 = 221,454,273.70/x - Step 3: Cross multiply
451,036,785.70x = 676,555,178.55 × 221,454,273.70 - Step 4: Simplify right side
451,036,785.70x = 149,826,035,683,764,064 - Step 5: Solve for x
x = 149,826,035,683,764,064/451,036,785.70 - Step 6: Final answer
x = 332,181,410.55
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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.