Home / 647,007,460.91-892,910,309.09-356,994,115.94

Finding the Fourth Proportional to 647,007,460.91, 892,910,309.09 and 356,994,115.94

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Solution

The fourth proportional to 647,007,460.91, 892,910,309.09 and 356,994,115.94 is: 492,673,957.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,007,460.91 : 892,910,309.09 = 356,994,115.94 : x
  2. Step 2: Convert to fraction form
    647,007,460.91/892,910,309.09 = 356,994,115.94/x
  3. Step 3: Cross multiply
    647,007,460.91x = 892,910,309.09 × 356,994,115.94
  4. Step 4: Simplify right side
    647,007,460.91x = 318,763,726,407,296,704
  5. Step 5: Solve for x
    x = 318,763,726,407,296,704/647,007,460.91
  6. Step 6: Final answer
    x = 492,673,957.67

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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.