Home / 568,027,170.42-783,817,779.68-329,825,792.57

Finding the Fourth Proportional to 568,027,170.42, 783,817,779.68 and 329,825,792.57

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Solution

The fourth proportional to 568,027,170.42, 783,817,779.68 and 329,825,792.57 is: 455,124,919.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,027,170.42 : 783,817,779.68 = 329,825,792.57 : x
  2. Step 2: Convert to fraction form
    568,027,170.42/783,817,779.68 = 329,825,792.57/x
  3. Step 3: Cross multiply
    568,027,170.42x = 783,817,779.68 × 329,825,792.57
  4. Step 4: Simplify right side
    568,027,170.42x = 258,523,320,409,494,528
  5. Step 5: Solve for x
    x = 258,523,320,409,494,528/568,027,170.42
  6. Step 6: Final answer
    x = 455,124,919.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.