Home / 383,601,076.40-575,401,614.60-220,342,401.20

Finding the Fourth Proportional to 383,601,076.40, 575,401,614.60 and 220,342,401.20

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Solution

The fourth proportional to 383,601,076.40, 575,401,614.60 and 220,342,401.20 is: 330,513,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,601,076.40 : 575,401,614.60 = 220,342,401.20 : x
  2. Step 2: Convert to fraction form
    383,601,076.40/575,401,614.60 = 220,342,401.20/x
  3. Step 3: Cross multiply
    383,601,076.40x = 575,401,614.60 × 220,342,401.20
  4. Step 4: Simplify right side
    383,601,076.40x = 126,785,373,415,320,976
  5. Step 5: Solve for x
    x = 126,785,373,415,320,976/383,601,076.40
  6. Step 6: Final answer
    x = 330,513,601.80

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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.