Home / 38,647,612,897.20-57,971,419,345.80-28,729,648,378.80

Finding the Fourth Proportional to 38,647,612,897.20, 57,971,419,345.80 and 28,729,648,378.80

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Solution

The fourth proportional to 38,647,612,897.20, 57,971,419,345.80 and 28,729,648,378.80 is: 43,094,472,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,647,612,897.20 : 57,971,419,345.80 = 28,729,648,378.80 : x
  2. Step 2: Convert to fraction form
    38,647,612,897.20/57,971,419,345.80 = 28,729,648,378.80/x
  3. Step 3: Cross multiply
    38,647,612,897.20x = 57,971,419,345.80 × 28,729,648,378.80
  4. Step 4: Simplify right side
    38,647,612,897.20x = 1,665,498,493,824,798,031,872
  5. Step 5: Solve for x
    x = 1,665,498,493,824,798,031,872/38,647,612,897.20
  6. Step 6: Final answer
    x = 43,094,472,568.20

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Double scale
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1.5x scale

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.