Home / 8,148,815,908.20-12,223,223,862.30-4,429,579,213.80

Finding the Fourth Proportional to 8,148,815,908.20, 12,223,223,862.30 and 4,429,579,213.80

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Solution

The fourth proportional to 8,148,815,908.20, 12,223,223,862.30 and 4,429,579,213.80 is: 6,644,368,820.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148,815,908.20 : 12,223,223,862.30 = 4,429,579,213.80 : x
  2. Step 2: Convert to fraction form
    8,148,815,908.20/12,223,223,862.30 = 4,429,579,213.80/x
  3. Step 3: Cross multiply
    8,148,815,908.20x = 12,223,223,862.30 × 4,429,579,213.80
  4. Step 4: Simplify right side
    8,148,815,908.20x = 54,143,738,346,068,230,144
  5. Step 5: Solve for x
    x = 54,143,738,346,068,230,144/8,148,815,908.20
  6. Step 6: Final answer
    x = 6,644,368,820.70

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Double scale
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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.