Home / 481,157,813.75-664,297,675.14-330,709,523.85

Finding the Fourth Proportional to 481,157,813.75, 664,297,675.14 and 330,709,523.85

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Solution

The fourth proportional to 481,157,813.75, 664,297,675.14 and 330,709,523.85 is: 456,585,264.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,157,813.75 : 664,297,675.14 = 330,709,523.85 : x
  2. Step 2: Convert to fraction form
    481,157,813.75/664,297,675.14 = 330,709,523.85/x
  3. Step 3: Cross multiply
    481,157,813.75x = 664,297,675.14 × 330,709,523.85
  4. Step 4: Simplify right side
    481,157,813.75x = 219,689,567,842,388,928
  5. Step 5: Solve for x
    x = 219,689,567,842,388,928/481,157,813.75
  6. Step 6: Final answer
    x = 456,585,264.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.