Home / 439,758,712.80-659,470,107.60-132,948,856.80

Finding the Fourth Proportional to 439,758,712.80, 659,470,107.60 and 132,948,856.80

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Solution

The fourth proportional to 439,758,712.80, 659,470,107.60 and 132,948,856.80 is: 199,372,506.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,758,712.80 : 659,470,107.60 = 132,948,856.80 : x
  2. Step 2: Convert to fraction form
    439,758,712.80/659,470,107.60 = 132,948,856.80/x
  3. Step 3: Cross multiply
    439,758,712.80x = 659,470,107.60 × 132,948,856.80
  4. Step 4: Simplify right side
    439,758,712.80x = 87,675,796,899,192,992
  5. Step 5: Solve for x
    x = 87,675,796,899,192,992/439,758,712.80
  6. Step 6: Final answer
    x = 199,372,506.67

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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.