Home / 411,739,767.96-617,629,515.35-135,384,863.82

Finding the Fourth Proportional to 411,739,767.96, 617,629,515.35 and 135,384,863.82

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Solution

The fourth proportional to 411,739,767.96, 617,629,515.35 and 135,384,863.82 is: 203,083,827.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,739,767.96 : 617,629,515.35 = 135,384,863.82 : x
  2. Step 2: Convert to fraction form
    411,739,767.96/617,629,515.35 = 135,384,863.82/x
  3. Step 3: Cross multiply
    411,739,767.96x = 617,629,515.35 × 135,384,863.82
  4. Step 4: Simplify right side
    411,739,767.96x = 83,617,687,826,195,424
  5. Step 5: Solve for x
    x = 83,617,687,826,195,424/411,739,767.96
  6. Step 6: Final answer
    x = 203,083,827.05

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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.