Home / 383,242,001.40-574,863,002.10-210,629,964.60

Finding the Fourth Proportional to 383,242,001.40, 574,863,002.10 and 210,629,964.60

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Solution

The fourth proportional to 383,242,001.40, 574,863,002.10 and 210,629,964.60 is: 315,944,946.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,242,001.40 : 574,863,002.10 = 210,629,964.60 : x
  2. Step 2: Convert to fraction form
    383,242,001.40/574,863,002.10 = 210,629,964.60/x
  3. Step 3: Cross multiply
    383,242,001.40x = 574,863,002.10 × 210,629,964.60
  4. Step 4: Simplify right side
    383,242,001.40x = 121,083,373,782,172,720
  5. Step 5: Solve for x
    x = 121,083,373,782,172,720/383,242,001.40
  6. Step 6: Final answer
    x = 315,944,946.90

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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.