Home / 381,986,536.59-572,979,089.67-119,691,167.46

Finding the Fourth Proportional to 381,986,536.59, 572,979,089.67 and 119,691,167.46

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Solution

The fourth proportional to 381,986,536.59, 572,979,089.67 and 119,691,167.46 is: 179,536,527.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,986,536.59 : 572,979,089.67 = 119,691,167.46 : x
  2. Step 2: Convert to fraction form
    381,986,536.59/572,979,089.67 = 119,691,167.46/x
  3. Step 3: Cross multiply
    381,986,536.59x = 572,979,089.67 × 119,691,167.46
  4. Step 4: Simplify right side
    381,986,536.59x = 68,580,536,172,770,320
  5. Step 5: Solve for x
    x = 68,580,536,172,770,320/381,986,536.59
  6. Step 6: Final answer
    x = 179,536,527.09

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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.