Home / 31,864,438,455.45-43,992,773,719.82-20,283,582,004.65

Finding the Fourth Proportional to 31,864,438,455.45, 43,992,773,719.82 and 20,283,582,004.65

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Solution

The fourth proportional to 31,864,438,455.45, 43,992,773,719.82 and 20,283,582,004.65 is: 28,003,977,995.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,864,438,455.45 : 43,992,773,719.82 = 20,283,582,004.65 : x
  2. Step 2: Convert to fraction form
    31,864,438,455.45/43,992,773,719.82 = 20,283,582,004.65/x
  3. Step 3: Cross multiply
    31,864,438,455.45x = 43,992,773,719.82 × 20,283,582,004.65
  4. Step 4: Simplify right side
    31,864,438,455.45x = 892,331,033,357,980,401,664
  5. Step 5: Solve for x
    x = 892,331,033,357,980,401,664/31,864,438,455.45
  6. Step 6: Final answer
    x = 28,003,977,995.89

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1.5x scale

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.