Home / 313,664,005.20-470,496,007.80-299,555,230.80

Finding the Fourth Proportional to 313,664,005.20, 470,496,007.80 and 299,555,230.80

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Solution

The fourth proportional to 313,664,005.20, 470,496,007.80 and 299,555,230.80 is: 449,332,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,664,005.20 : 470,496,007.80 = 299,555,230.80 : x
  2. Step 2: Convert to fraction form
    313,664,005.20/470,496,007.80 = 299,555,230.80/x
  3. Step 3: Cross multiply
    313,664,005.20x = 470,496,007.80 × 299,555,230.80
  4. Step 4: Simplify right side
    313,664,005.20x = 140,939,540,207,007,616
  5. Step 5: Solve for x
    x = 140,939,540,207,007,616/313,664,005.20
  6. Step 6: Final answer
    x = 449,332,846.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.