Home / 3,910,141,456.86-5,395,957,274.43-2,125,994,885.58

Finding the Fourth Proportional to 3,910,141,456.86, 5,395,957,274.43 and 2,125,994,885.58

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Solution

The fourth proportional to 3,910,141,456.86, 5,395,957,274.43 and 2,125,994,885.58 is: 2,933,852,315.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910,141,456.86 : 5,395,957,274.43 = 2,125,994,885.58 : x
  2. Step 2: Convert to fraction form
    3,910,141,456.86/5,395,957,274.43 = 2,125,994,885.58/x
  3. Step 3: Cross multiply
    3,910,141,456.86x = 5,395,957,274.43 × 2,125,994,885.58
  4. Step 4: Simplify right side
    3,910,141,456.86x = 11,471,777,568,246,376,448
  5. Step 5: Solve for x
    x = 11,471,777,568,246,376,448/3,910,141,456.86
  6. Step 6: Final answer
    x = 2,933,852,315.78

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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.