Home / 394,928,200.80-592,392,301.20-201,217,956.30

Finding the Fourth Proportional to 394,928,200.80, 592,392,301.20 and 201,217,956.30

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Solution

The fourth proportional to 394,928,200.80, 592,392,301.20 and 201,217,956.30 is: 301,826,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,928,200.80 : 592,392,301.20 = 201,217,956.30 : x
  2. Step 2: Convert to fraction form
    394,928,200.80/592,392,301.20 = 201,217,956.30/x
  3. Step 3: Cross multiply
    394,928,200.80x = 592,392,301.20 × 201,217,956.30
  4. Step 4: Simplify right side
    394,928,200.80x = 119,199,968,175,318,048
  5. Step 5: Solve for x
    x = 119,199,968,175,318,048/394,928,200.80
  6. Step 6: Final answer
    x = 301,826,934.45

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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.