Home / 8,148,815,907.20-12,223,223,860.80-4,429,579,212.80

Finding the Fourth Proportional to 8,148,815,907.20, 12,223,223,860.80 and 4,429,579,212.80

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Solution

The fourth proportional to 8,148,815,907.20, 12,223,223,860.80 and 4,429,579,212.80 is: 6,644,368,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148,815,907.20 : 12,223,223,860.80 = 4,429,579,212.80 : x
  2. Step 2: Convert to fraction form
    8,148,815,907.20/12,223,223,860.80 = 4,429,579,212.80/x
  3. Step 3: Cross multiply
    8,148,815,907.20x = 12,223,223,860.80 × 4,429,579,212.80
  4. Step 4: Simplify right side
    8,148,815,907.20x = 54,143,738,327,200,636,928
  5. Step 5: Solve for x
    x = 54,143,738,327,200,636,928/8,148,815,907.20
  6. Step 6: Final answer
    x = 6,644,368,819.20

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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.