Finding the Fourth Proportional to 498,453,811.20, 747,680,716.80 and 240,173,485.20
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Solution
The fourth proportional to 498,453,811.20, 747,680,716.80 and 240,173,485.20 is: 360,260,227.80
Step by Step Solution
- Step 1: Write the proportion equation
498,453,811.20 : 747,680,716.80 = 240,173,485.20 : x - Step 2: Convert to fraction form
498,453,811.20/747,680,716.80 = 240,173,485.20/x - Step 3: Cross multiply
498,453,811.20x = 747,680,716.80 × 240,173,485.20 - Step 4: Simplify right side
498,453,811.20x = 179,573,083,570,690,176 - Step 5: Solve for x
x = 179,573,083,570,690,176/498,453,811.20 - Step 6: Final answer
x = 360,260,227.80
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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.