Finding the Fourth Proportional to 268,273,451.80, 402,410,177.70 and 225,226,730.80
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Solution
The fourth proportional to 268,273,451.80, 402,410,177.70 and 225,226,730.80 is: 337,840,096.20
Step by Step Solution
- Step 1: Write the proportion equation
268,273,451.80 : 402,410,177.70 = 225,226,730.80 : x - Step 2: Convert to fraction form
268,273,451.80/402,410,177.70 = 225,226,730.80/x - Step 3: Cross multiply
268,273,451.80x = 402,410,177.70 × 225,226,730.80 - Step 4: Simplify right side
268,273,451.80x = 90,633,528,764,018,064 - Step 5: Solve for x
x = 90,633,528,764,018,064/268,273,451.80 - Step 6: Final answer
x = 337,840,096.20
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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.