Finding the Fourth Proportional to 582,939,656.40, 804,454,771.92 and 318,621,496.44
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Solution
The fourth proportional to 582,939,656.40, 804,454,771.92 and 318,621,496.44 is: 439,696,597.12
Step by Step Solution
- Step 1: Write the proportion equation
582,939,656.40 : 804,454,771.92 = 318,621,496.44 : x - Step 2: Convert to fraction form
582,939,656.40/804,454,771.92 = 318,621,496.44/x - Step 3: Cross multiply
582,939,656.40x = 804,454,771.92 × 318,621,496.44 - Step 4: Simplify right side
582,939,656.40x = 256,316,583,247,449,280 - Step 5: Solve for x
x = 256,316,583,247,449,280/582,939,656.40 - Step 6: Final answer
x = 439,696,597.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.