Home / 23,115,597,650.40-31,897,576,455.48-12,815,967,427.44

Finding the Fourth Proportional to 23,115,597,650.40, 31,897,576,455.48 and 12,815,967,427.44

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Solution

The fourth proportional to 23,115,597,650.40, 31,897,576,455.48 and 12,815,967,427.44 is: 17,684,954,853.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,115,597,650.40 : 31,897,576,455.48 = 12,815,967,427.44 : x
  2. Step 2: Convert to fraction form
    23,115,597,650.40/31,897,576,455.48 = 12,815,967,427.44/x
  3. Step 3: Cross multiply
    23,115,597,650.40x = 31,897,576,455.48 × 12,815,967,427.44
  4. Step 4: Simplify right side
    23,115,597,650.40x = 408,798,300,867,708,715,008
  5. Step 5: Solve for x
    x = 408,798,300,867,708,715,008/23,115,597,650.40
  6. Step 6: Final answer
    x = 17,684,954,853.88

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Double scale
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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.