Home / 299,447,958.30-449,171,937.45-255,609,980.70

Finding the Fourth Proportional to 299,447,958.30, 449,171,937.45 and 255,609,980.70

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Solution

The fourth proportional to 299,447,958.30, 449,171,937.45 and 255,609,980.70 is: 383,414,971.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,447,958.30 : 449,171,937.45 = 255,609,980.70 : x
  2. Step 2: Convert to fraction form
    299,447,958.30/449,171,937.45 = 255,609,980.70/x
  3. Step 3: Cross multiply
    299,447,958.30x = 449,171,937.45 × 255,609,980.70
  4. Step 4: Simplify right side
    299,447,958.30x = 114,812,830,262,576,096
  5. Step 5: Solve for x
    x = 114,812,830,262,576,096/299,447,958.30
  6. Step 6: Final answer
    x = 383,414,971.05

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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.