Home / 437,305,530.12-603,488,801.28-261,108,922.56

Finding the Fourth Proportional to 437,305,530.12, 603,488,801.28 and 261,108,922.56

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Solution

The fourth proportional to 437,305,530.12, 603,488,801.28 and 261,108,922.56 is: 360,334,594.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,305,530.12 : 603,488,801.28 = 261,108,922.56 : x
  2. Step 2: Convert to fraction form
    437,305,530.12/603,488,801.28 = 261,108,922.56/x
  3. Step 3: Cross multiply
    437,305,530.12x = 603,488,801.28 × 261,108,922.56
  4. Step 4: Simplify right side
    437,305,530.12x = 157,576,310,679,246,752
  5. Step 5: Solve for x
    x = 157,576,310,679,246,752/437,305,530.12
  6. Step 6: Final answer
    x = 360,334,594.07

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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.