Home / 526,900,723.26-790,279,339.14-138,691,044.78

Finding the Fourth Proportional to 526,900,723.26, 790,279,339.14 and 138,691,044.78

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Solution

The fourth proportional to 526,900,723.26, 790,279,339.14 and 138,691,044.78 is: 208,017,682.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,900,723.26 : 790,279,339.14 = 138,691,044.78 : x
  2. Step 2: Convert to fraction form
    526,900,723.26/790,279,339.14 = 138,691,044.78/x
  3. Step 3: Cross multiply
    526,900,723.26x = 790,279,339.14 × 138,691,044.78
  4. Step 4: Simplify right side
    526,900,723.26x = 109,604,667,213,374,544
  5. Step 5: Solve for x
    x = 109,604,667,213,374,544/526,900,723.26
  6. Step 6: Final answer
    x = 208,017,682.22

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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.