Home / 347,297,745.20-520,498,720.20-266,116,305.20

Finding the Fourth Proportional to 347,297,745.20, 520,498,720.20 and 266,116,305.20

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Solution

The fourth proportional to 347,297,745.20, 520,498,720.20 and 266,116,305.20 is: 398,831,257.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,297,745.20 : 520,498,720.20 = 266,116,305.20 : x
  2. Step 2: Convert to fraction form
    347,297,745.20/520,498,720.20 = 266,116,305.20/x
  3. Step 3: Cross multiply
    347,297,745.20x = 520,498,720.20 × 266,116,305.20
  4. Step 4: Simplify right side
    347,297,745.20x = 138,513,196,280,952,592
  5. Step 5: Solve for x
    x = 138,513,196,280,952,592/347,297,745.20
  6. Step 6: Final answer
    x = 398,831,257.03

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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.