Finding the Fourth Proportional to 1,337,491,051.20, 2,006,236,576.80 and 417,247,815.60
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Solution
The fourth proportional to 1,337,491,051.20, 2,006,236,576.80 and 417,247,815.60 is: 625,871,723.40
Step by Step Solution
- Step 1: Write the proportion equation
1,337,491,051.20 : 2,006,236,576.80 = 417,247,815.60 : x - Step 2: Convert to fraction form
1,337,491,051.20/2,006,236,576.80 = 417,247,815.60/x - Step 3: Cross multiply
1,337,491,051.20x = 2,006,236,576.80 × 417,247,815.60 - Step 4: Simplify right side
1,337,491,051.20x = 837,097,829,246,621,696 - Step 5: Solve for x
x = 837,097,829,246,621,696/1,337,491,051.20 - Step 6: Final answer
x = 625,871,723.40
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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.