Home / 299,441,664.30-449,162,496.45-255,603,686.70

Finding the Fourth Proportional to 299,441,664.30, 449,162,496.45 and 255,603,686.70

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Solution

The fourth proportional to 299,441,664.30, 449,162,496.45 and 255,603,686.70 is: 383,405,530.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,441,664.30 : 449,162,496.45 = 255,603,686.70 : x
  2. Step 2: Convert to fraction form
    299,441,664.30/449,162,496.45 = 255,603,686.70/x
  3. Step 3: Cross multiply
    299,441,664.30x = 449,162,496.45 × 255,603,686.70
  4. Step 4: Simplify right side
    299,441,664.30x = 114,807,590,019,995,648
  5. Step 5: Solve for x
    x = 114,807,590,019,995,648/299,441,664.30
  6. Step 6: Final answer
    x = 383,405,530.05

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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.