Home / 5,239,019,404.80-7,858,529,107.20-2,619,227,851.20

Finding the Fourth Proportional to 5,239,019,404.80, 7,858,529,107.20 and 2,619,227,851.20

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Solution

The fourth proportional to 5,239,019,404.80, 7,858,529,107.20 and 2,619,227,851.20 is: 3,928,841,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239,019,404.80 : 7,858,529,107.20 = 2,619,227,851.20 : x
  2. Step 2: Convert to fraction form
    5,239,019,404.80/7,858,529,107.20 = 2,619,227,851.20/x
  3. Step 3: Cross multiply
    5,239,019,404.80x = 7,858,529,107.20 × 2,619,227,851.20
  4. Step 4: Simplify right side
    5,239,019,404.80x = 20,583,278,307,044,110,336
  5. Step 5: Solve for x
    x = 20,583,278,307,044,110,336/5,239,019,404.80
  6. Step 6: Final answer
    x = 3,928,841,776.80

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Half scale
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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.