Home / 3,890,045,665.58-5,368,264,817.24-2,105,899,120.58

Finding the Fourth Proportional to 3,890,045,665.58, 5,368,264,817.24 and 2,105,899,120.58

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Solution

The fourth proportional to 3,890,045,665.58, 5,368,264,817.24 and 2,105,899,120.58 is: 2,906,141,760.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890,045,665.58 : 5,368,264,817.24 = 2,105,899,120.58 : x
  2. Step 2: Convert to fraction form
    3,890,045,665.58/5,368,264,817.24 = 2,105,899,120.58/x
  3. Step 3: Cross multiply
    3,890,045,665.58x = 5,368,264,817.24 × 2,105,899,120.58
  4. Step 4: Simplify right side
    3,890,045,665.58x = 11,305,024,157,632,901,120
  5. Step 5: Solve for x
    x = 11,305,024,157,632,901,120/3,890,045,665.58
  6. Step 6: Final answer
    x = 2,906,141,760.15

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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.