Home / 8,291,238,959.20-12,436,858,438.80-8,291,238,959.20

Finding the Fourth Proportional to 8,291,238,959.20, 12,436,858,438.80 and 8,291,238,959.20

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Solution

The fourth proportional to 8,291,238,959.20, 12,436,858,438.80 and 8,291,238,959.20 is: 12,436,858,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291,238,959.20 : 12,436,858,438.80 = 8,291,238,959.20 : x
  2. Step 2: Convert to fraction form
    8,291,238,959.20/12,436,858,438.80 = 8,291,238,959.20/x
  3. Step 3: Cross multiply
    8,291,238,959.20x = 12,436,858,438.80 × 8,291,238,959.20
  4. Step 4: Simplify right side
    8,291,238,959.20x = 103,116,965,217,833,844,736
  5. Step 5: Solve for x
    x = 103,116,965,217,833,844,736/8,291,238,959.20
  6. Step 6: Final answer
    x = 12,436,858,438.80

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Double scale
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Similar ratio
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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.