Home / 446,286,819.60-669,430,229.40-397,819,400.40

Finding the Fourth Proportional to 446,286,819.60, 669,430,229.40 and 397,819,400.40

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Solution

The fourth proportional to 446,286,819.60, 669,430,229.40 and 397,819,400.40 is: 596,729,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,286,819.60 : 669,430,229.40 = 397,819,400.40 : x
  2. Step 2: Convert to fraction form
    446,286,819.60/669,430,229.40 = 397,819,400.40/x
  3. Step 3: Cross multiply
    446,286,819.60x = 669,430,229.40 × 397,819,400.40
  4. Step 4: Simplify right side
    446,286,819.60x = 266,312,332,469,542,432
  5. Step 5: Solve for x
    x = 266,312,332,469,542,432/446,286,819.60
  6. Step 6: Final answer
    x = 596,729,100.60

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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.