Finding the Fourth Proportional to 1,358,136,184.20, 2,037,204,276.30 and 738,263,401.80
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Solution
The fourth proportional to 1,358,136,184.20, 2,037,204,276.30 and 738,263,401.80 is: 1,107,395,102.70
Step by Step Solution
- Step 1: Write the proportion equation
1,358,136,184.20 : 2,037,204,276.30 = 738,263,401.80 : x - Step 2: Convert to fraction form
1,358,136,184.20/2,037,204,276.30 = 738,263,401.80/x - Step 3: Cross multiply
1,358,136,184.20x = 2,037,204,276.30 × 738,263,401.80 - Step 4: Simplify right side
1,358,136,184.20x = 1,503,993,359,182,745,088 - Step 5: Solve for x
x = 1,503,993,359,182,745,088/1,358,136,184.20 - Step 6: Final answer
x = 1,107,395,102.70
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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.