Home / 8,148,815,927.70-12,223,223,891.55-4,429,579,233.30

Finding the Fourth Proportional to 8,148,815,927.70, 12,223,223,891.55 and 4,429,579,233.30

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Solution

The fourth proportional to 8,148,815,927.70, 12,223,223,891.55 and 4,429,579,233.30 is: 6,644,368,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148,815,927.70 : 12,223,223,891.55 = 4,429,579,233.30 : x
  2. Step 2: Convert to fraction form
    8,148,815,927.70/12,223,223,891.55 = 4,429,579,233.30/x
  3. Step 3: Cross multiply
    8,148,815,927.70x = 12,223,223,891.55 × 4,429,579,233.30
  4. Step 4: Simplify right side
    8,148,815,927.70x = 54,143,738,713,986,293,760
  5. Step 5: Solve for x
    x = 54,143,738,713,986,293,760/8,148,815,927.70
  6. Step 6: Final answer
    x = 6,644,368,849.95

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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.