Finding the Fourth Proportional to 1,455,860,497, 2,183,790,745.50 and 486,512,113
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Solution
The fourth proportional to 1,455,860,497, 2,183,790,745.50 and 486,512,113 is: 729,768,169.50
Step by Step Solution
- Step 1: Write the proportion equation
1,455,860,497 : 2,183,790,745.50 = 486,512,113 : x - Step 2: Convert to fraction form
1,455,860,497/2,183,790,745.50 = 486,512,113/x - Step 3: Cross multiply
1,455,860,497x = 2,183,790,745.50 × 486,512,113 - Step 4: Simplify right side
1,455,860,497x = 1,062,440,649,943,050,240 - Step 5: Solve for x
x = 1,062,440,649,943,050,240/1,455,860,497 - Step 6: Final answer
x = 729,768,169.50
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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.