Home / 318,538,175.34-439,347,993.39-240,225,029.58

Finding the Fourth Proportional to 318,538,175.34, 439,347,993.39 and 240,225,029.58

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Solution

The fourth proportional to 318,538,175.34, 439,347,993.39 and 240,225,029.58 is: 331,333,550.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,538,175.34 : 439,347,993.39 = 240,225,029.58 : x
  2. Step 2: Convert to fraction form
    318,538,175.34/439,347,993.39 = 240,225,029.58/x
  3. Step 3: Cross multiply
    318,538,175.34x = 439,347,993.39 × 240,225,029.58
  4. Step 4: Simplify right side
    318,538,175.34x = 105,542,384,708,026,400
  5. Step 5: Solve for x
    x = 105,542,384,708,026,400/318,538,175.34
  6. Step 6: Final answer
    x = 331,333,550.82

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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.