Home / 12,258,723,692.32-18,388,085,779.68-2,942,471,620.32

Finding the Fourth Proportional to 12,258,723,692.32, 18,388,085,779.68 and 2,942,471,620.32

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Solution

The fourth proportional to 12,258,723,692.32, 18,388,085,779.68 and 2,942,471,620.32 is: 4,413,707,488.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258,723,692.32 : 18,388,085,779.68 = 2,942,471,620.32 : x
  2. Step 2: Convert to fraction form
    12,258,723,692.32/18,388,085,779.68 = 2,942,471,620.32/x
  3. Step 3: Cross multiply
    12,258,723,692.32x = 18,388,085,779.68 × 2,942,471,620.32
  4. Step 4: Simplify right side
    12,258,723,692.32x = 54,106,420,558,718,164,992
  5. Step 5: Solve for x
    x = 54,106,420,558,718,164,992/12,258,723,692.32
  6. Step 6: Final answer
    x = 4,413,707,488.38

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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.