Home / 647,007,458.91-892,910,306.33-356,994,113.94

Finding the Fourth Proportional to 647,007,458.91, 892,910,306.33 and 356,994,113.94

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Solution

The fourth proportional to 647,007,458.91, 892,910,306.33 and 356,994,113.94 is: 492,673,954.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,007,458.91 : 892,910,306.33 = 356,994,113.94 : x
  2. Step 2: Convert to fraction form
    647,007,458.91/892,910,306.33 = 356,994,113.94/x
  3. Step 3: Cross multiply
    647,007,458.91x = 892,910,306.33 × 356,994,113.94
  4. Step 4: Simplify right side
    647,007,458.91x = 318,763,723,634,387,392
  5. Step 5: Solve for x
    x = 318,763,723,634,387,392/647,007,458.91
  6. Step 6: Final answer
    x = 492,673,954.91

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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.