Home / 2,146,449,431.57-2,960,101,771.34-1,392,956,936.77

Finding the Fourth Proportional to 2,146,449,431.57, 2,960,101,771.34 and 1,392,956,936.77

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Solution

The fourth proportional to 2,146,449,431.57, 2,960,101,771.34 and 1,392,956,936.77 is: 1,920,983,665.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,449,431.57 : 2,960,101,771.34 = 1,392,956,936.77 : x
  2. Step 2: Convert to fraction form
    2,146,449,431.57/2,960,101,771.34 = 1,392,956,936.77/x
  3. Step 3: Cross multiply
    2,146,449,431.57x = 2,960,101,771.34 × 1,392,956,936.77
  4. Step 4: Simplify right side
    2,146,449,431.57x = 4,123,294,295,928,237,056
  5. Step 5: Solve for x
    x = 4,123,294,295,928,237,056/2,146,449,431.57
  6. Step 6: Final answer
    x = 1,920,983,665.06

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Double scale
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1.5x scale

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.