Home / 8,148,815,898.20-12,223,223,847.30-4,429,579,203.80

Finding the Fourth Proportional to 8,148,815,898.20, 12,223,223,847.30 and 4,429,579,203.80

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Solution

The fourth proportional to 8,148,815,898.20, 12,223,223,847.30 and 4,429,579,203.80 is: 6,644,368,805.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148,815,898.20 : 12,223,223,847.30 = 4,429,579,203.80 : x
  2. Step 2: Convert to fraction form
    8,148,815,898.20/12,223,223,847.30 = 4,429,579,203.80/x
  3. Step 3: Cross multiply
    8,148,815,898.20x = 12,223,223,847.30 × 4,429,579,203.80
  4. Step 4: Simplify right side
    8,148,815,898.20x = 54,143,738,157,392,306,176
  5. Step 5: Solve for x
    x = 54,143,738,157,392,306,176/8,148,815,898.20
  6. Step 6: Final answer
    x = 6,644,368,805.70

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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.