Home / 2,251,260,931.23-3,106,740,379.91-1,247,743,286.51

Finding the Fourth Proportional to 2,251,260,931.23, 3,106,740,379.91 and 1,247,743,286.51

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Solution

The fourth proportional to 2,251,260,931.23, 3,106,740,379.91 and 1,247,743,286.51 is: 1,721,885,898.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251,260,931.23 : 3,106,740,379.91 = 1,247,743,286.51 : x
  2. Step 2: Convert to fraction form
    2,251,260,931.23/3,106,740,379.91 = 1,247,743,286.51/x
  3. Step 3: Cross multiply
    2,251,260,931.23x = 3,106,740,379.91 × 1,247,743,286.51
  4. Step 4: Simplify right side
    2,251,260,931.23x = 3,876,414,451,940,457,472
  5. Step 5: Solve for x
    x = 3,876,414,451,940,457,472/2,251,260,931.23
  6. Step 6: Final answer
    x = 1,721,885,898.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.