Home / 568,123,759.85-851,432,272.94-291,763,811.03

Finding the Fourth Proportional to 568,123,759.85, 851,432,272.94 and 291,763,811.03

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Solution

The fourth proportional to 568,123,759.85, 851,432,272.94 and 291,763,811.03 is: 437,258,819.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,123,759.85 : 851,432,272.94 = 291,763,811.03 : x
  2. Step 2: Convert to fraction form
    568,123,759.85/851,432,272.94 = 291,763,811.03/x
  3. Step 3: Cross multiply
    568,123,759.85x = 851,432,272.94 × 291,763,811.03
  4. Step 4: Simplify right side
    568,123,759.85x = 248,417,124,783,381,760
  5. Step 5: Solve for x
    x = 248,417,124,783,381,760/568,123,759.85
  6. Step 6: Final answer
    x = 437,258,819.89

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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.