Home / 3,771,993,864.83-5,205,116,993.81-2,078,353,731.86

Finding the Fourth Proportional to 3,771,993,864.83, 5,205,116,993.81 and 2,078,353,731.86

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Solution

The fourth proportional to 3,771,993,864.83, 5,205,116,993.81 and 2,078,353,731.86 is: 2,867,998,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771,993,864.83 : 5,205,116,993.81 = 2,078,353,731.86 : x
  2. Step 2: Convert to fraction form
    3,771,993,864.83/5,205,116,993.81 = 2,078,353,731.86/x
  3. Step 3: Cross multiply
    3,771,993,864.83x = 5,205,116,993.81 × 2,078,353,731.86
  4. Step 4: Simplify right side
    3,771,993,864.83x = 10,818,074,328,835,760,128
  5. Step 5: Solve for x
    x = 10,818,074,328,835,760,128/3,771,993,864.83
  6. Step 6: Final answer
    x = 2,867,998,919.54

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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.