Home / 455,521,839.94-628,620,745.35-246,678,342.76

Finding the Fourth Proportional to 455,521,839.94, 628,620,745.35 and 246,678,342.76

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Solution

The fourth proportional to 455,521,839.94, 628,620,745.35 and 246,678,342.76 is: 340,416,441.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,521,839.94 : 628,620,745.35 = 246,678,342.76 : x
  2. Step 2: Convert to fraction form
    455,521,839.94/628,620,745.35 = 246,678,342.76/x
  3. Step 3: Cross multiply
    455,521,839.94x = 628,620,745.35 × 246,678,342.76
  4. Step 4: Simplify right side
    455,521,839.94x = 155,067,123,687,493,984
  5. Step 5: Solve for x
    x = 155,067,123,687,493,984/455,521,839.94
  6. Step 6: Final answer
    x = 340,416,441.30

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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.