Home / 3,919,101,035.32-5,408,357,044.34-2,158,968,443.32

Finding the Fourth Proportional to 3,919,101,035.32, 5,408,357,044.34 and 2,158,968,443.32

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Solution

The fourth proportional to 3,919,101,035.32, 5,408,357,044.34 and 2,158,968,443.32 is: 2,979,375,138.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,101,035.32 : 5,408,357,044.34 = 2,158,968,443.32 : x
  2. Step 2: Convert to fraction form
    3,919,101,035.32/5,408,357,044.34 = 2,158,968,443.32/x
  3. Step 3: Cross multiply
    3,919,101,035.32x = 5,408,357,044.34 × 2,158,968,443.32
  4. Step 4: Simplify right side
    3,919,101,035.32x = 11,676,472,188,937,486,336
  5. Step 5: Solve for x
    x = 11,676,472,188,937,486,336/3,919,101,035.32
  6. Step 6: Final answer
    x = 2,979,375,138.25

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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.