Home / 347,297,768.20-520,498,754.70-266,116,328.20

Finding the Fourth Proportional to 347,297,768.20, 520,498,754.70 and 266,116,328.20

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Solution

The fourth proportional to 347,297,768.20, 520,498,754.70 and 266,116,328.20 is: 398,831,291.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,297,768.20 : 520,498,754.70 = 266,116,328.20 : x
  2. Step 2: Convert to fraction form
    347,297,768.20/520,498,754.70 = 266,116,328.20/x
  3. Step 3: Cross multiply
    347,297,768.20x = 520,498,754.70 × 266,116,328.20
  4. Step 4: Simplify right side
    347,297,768.20x = 138,513,217,433,436,480
  5. Step 5: Solve for x
    x = 138,513,217,433,436,480/347,297,768.20
  6. Step 6: Final answer
    x = 398,831,291.52

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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.