Home / 79,455,438,149.76-109,647,704,010.45-43,326,379,291.68

Finding the Fourth Proportional to 79,455,438,149.76, 109,647,704,010.45 and 43,326,379,291.68

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Solution

The fourth proportional to 79,455,438,149.76, 109,647,704,010.45 and 43,326,379,291.68 is: 59,789,966,842.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,455,438,149.76 : 109,647,704,010.45 = 43,326,379,291.68 : x
  2. Step 2: Convert to fraction form
    79,455,438,149.76/109,647,704,010.45 = 43,326,379,291.68/x
  3. Step 3: Cross multiply
    79,455,438,149.76x = 109,647,704,010.45 × 43,326,379,291.68
  4. Step 4: Simplify right side
    79,455,438,149.76x = 4,750,638,012,418,619,342,848
  5. Step 5: Solve for x
    x = 4,750,638,012,418,619,342,848/79,455,438,149.76
  6. Step 6: Final answer
    x = 59,789,966,842.35

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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.