Home / 12,258,723,426.08-18,388,085,382.96-2,942,471,355.68

Finding the Fourth Proportional to 12,258,723,426.08, 18,388,085,382.96 and 2,942,471,355.68

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Solution

The fourth proportional to 12,258,723,426.08, 18,388,085,382.96 and 2,942,471,355.68 is: 4,413,707,092.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258,723,426.08 : 18,388,085,382.96 = 2,942,471,355.68 : x
  2. Step 2: Convert to fraction form
    12,258,723,426.08/18,388,085,382.96 = 2,942,471,355.68/x
  3. Step 3: Cross multiply
    12,258,723,426.08x = 18,388,085,382.96 × 2,942,471,355.68
  4. Step 4: Simplify right side
    12,258,723,426.08x = 54,106,414,525,157,900,288
  5. Step 5: Solve for x
    x = 54,106,414,525,157,900,288/12,258,723,426.08
  6. Step 6: Final answer
    x = 4,413,707,092.05

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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.