Finding the Fourth Proportional to 523,338,847.68, 784,533,137.03 and 261,103,604.19
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Solution
The fourth proportional to 523,338,847.68, 784,533,137.03 and 261,103,604.19 is: 391,418,352.74
Step by Step Solution
- Step 1: Write the proportion equation
523,338,847.68 : 784,533,137.03 = 261,103,604.19 : x - Step 2: Convert to fraction form
523,338,847.68/784,533,137.03 = 261,103,604.19/x - Step 3: Cross multiply
523,338,847.68x = 784,533,137.03 × 261,103,604.19 - Step 4: Simplify right side
523,338,847.68x = 204,844,429,683,240,096 - Step 5: Solve for x
x = 204,844,429,683,240,096/523,338,847.68 - Step 6: Final answer
x = 391,418,352.74
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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.