Home / 481,207,467.80-721,811,201.70-174,509,586.20

Finding the Fourth Proportional to 481,207,467.80, 721,811,201.70 and 174,509,586.20

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Solution

The fourth proportional to 481,207,467.80, 721,811,201.70 and 174,509,586.20 is: 261,764,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,207,467.80 : 721,811,201.70 = 174,509,586.20 : x
  2. Step 2: Convert to fraction form
    481,207,467.80/721,811,201.70 = 174,509,586.20/x
  3. Step 3: Cross multiply
    481,207,467.80x = 721,811,201.70 × 174,509,586.20
  4. Step 4: Simplify right side
    481,207,467.80x = 125,962,974,123,191,744
  5. Step 5: Solve for x
    x = 125,962,974,123,191,744/481,207,467.80
  6. Step 6: Final answer
    x = 261,764,379.30

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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.