Home / 8,148,815,928.70-12,223,223,893.05-4,429,579,234.30

Finding the Fourth Proportional to 8,148,815,928.70, 12,223,223,893.05 and 4,429,579,234.30

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Solution

The fourth proportional to 8,148,815,928.70, 12,223,223,893.05 and 4,429,579,234.30 is: 6,644,368,851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148,815,928.70 : 12,223,223,893.05 = 4,429,579,234.30 : x
  2. Step 2: Convert to fraction form
    8,148,815,928.70/12,223,223,893.05 = 4,429,579,234.30/x
  3. Step 3: Cross multiply
    8,148,815,928.70x = 12,223,223,893.05 × 4,429,579,234.30
  4. Step 4: Simplify right side
    8,148,815,928.70x = 54,143,738,732,853,886,976
  5. Step 5: Solve for x
    x = 54,143,738,732,853,886,976/8,148,815,928.70
  6. Step 6: Final answer
    x = 6,644,368,851.45

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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.