Home / 456,212,318.50-629,585,378.76-258,003,453.25

Finding the Fourth Proportional to 456,212,318.50, 629,585,378.76 and 258,003,453.25

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Solution

The fourth proportional to 456,212,318.50, 629,585,378.76 and 258,003,453.25 is: 356,051,766.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,212,318.50 : 629,585,378.76 = 258,003,453.25 : x
  2. Step 2: Convert to fraction form
    456,212,318.50/629,585,378.76 = 258,003,453.25/x
  3. Step 3: Cross multiply
    456,212,318.50x = 629,585,378.76 × 258,003,453.25
  4. Step 4: Simplify right side
    456,212,318.50x = 162,435,201,835,789,216
  5. Step 5: Solve for x
    x = 162,435,201,835,789,216/456,212,318.50
  6. Step 6: Final answer
    x = 356,051,766.36

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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.