Home / 512,497,783.80-768,672,026.10-148,954,231.80

Finding the Fourth Proportional to 512,497,783.80, 768,672,026.10 and 148,954,231.80

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Solution

The fourth proportional to 512,497,783.80, 768,672,026.10 and 148,954,231.80 is: 223,409,651.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,497,783.80 : 768,672,026.10 = 148,954,231.80 : x
  2. Step 2: Convert to fraction form
    512,497,783.80/768,672,026.10 = 148,954,231.80/x
  3. Step 3: Cross multiply
    512,497,783.80x = 768,672,026.10 × 148,954,231.80
  4. Step 4: Simplify right side
    512,497,783.80x = 114,496,951,153,875,056
  5. Step 5: Solve for x
    x = 114,496,951,153,875,056/512,497,783.80
  6. Step 6: Final answer
    x = 223,409,651.27

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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.