Finding the Fourth Proportional to 1,860,408,136.20, 2,790,612,204.30 and 1,516,034,368.20
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Solution
The fourth proportional to 1,860,408,136.20, 2,790,612,204.30 and 1,516,034,368.20 is: 2,274,051,552.30
Step by Step Solution
- Step 1: Write the proportion equation
1,860,408,136.20 : 2,790,612,204.30 = 1,516,034,368.20 : x - Step 2: Convert to fraction form
1,860,408,136.20/2,790,612,204.30 = 1,516,034,368.20/x - Step 3: Cross multiply
1,860,408,136.20x = 2,790,612,204.30 × 1,516,034,368.20 - Step 4: Simplify right side
1,860,408,136.20x = 4,230,664,010,037,160,448 - Step 5: Solve for x
x = 4,230,664,010,037,160,448/1,860,408,136.20 - Step 6: Final answer
x = 2,274,051,552.30
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1.5x scale
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.