Finding the Fourth Proportional to 1,512,328,518.40, 2,268,492,777.60 and 591,898,950.40
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Solution
The fourth proportional to 1,512,328,518.40, 2,268,492,777.60 and 591,898,950.40 is: 887,848,425.60
Step by Step Solution
- Step 1: Write the proportion equation
1,512,328,518.40 : 2,268,492,777.60 = 591,898,950.40 : x - Step 2: Convert to fraction form
1,512,328,518.40/2,268,492,777.60 = 591,898,950.40/x - Step 3: Cross multiply
1,512,328,518.40x = 2,268,492,777.60 × 591,898,950.40 - Step 4: Simplify right side
1,512,328,518.40x = 1,342,718,494,051,420,416 - Step 5: Solve for x
x = 1,342,718,494,051,420,416/1,512,328,518.40 - Step 6: Final answer
x = 887,848,425.60
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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.