Finding the Fourth Proportional to 366,985,159.20, 550,477,738.80 and 327,348,986.40
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Solution
The fourth proportional to 366,985,159.20, 550,477,738.80 and 327,348,986.40 is: 491,023,479.60
Step by Step Solution
- Step 1: Write the proportion equation
366,985,159.20 : 550,477,738.80 = 327,348,986.40 : x - Step 2: Convert to fraction form
366,985,159.20/550,477,738.80 = 327,348,986.40/x - Step 3: Cross multiply
366,985,159.20x = 550,477,738.80 × 327,348,986.40 - Step 4: Simplify right side
366,985,159.20x = 180,198,329,831,943,936 - Step 5: Solve for x
x = 180,198,329,831,943,936/366,985,159.20 - Step 6: Final answer
x = 491,023,479.60
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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.