Home / 20,364,349,290.06-28,105,248,508.30-12,335,454,249.86

Finding the Fourth Proportional to 20,364,349,290.06, 28,105,248,508.30 and 12,335,454,249.86

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Solution

The fourth proportional to 20,364,349,290.06, 28,105,248,508.30 and 12,335,454,249.86 is: 17,024,408,794.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,364,349,290.06 : 28,105,248,508.30 = 12,335,454,249.86 : x
  2. Step 2: Convert to fraction form
    20,364,349,290.06/28,105,248,508.30 = 12,335,454,249.86/x
  3. Step 3: Cross multiply
    20,364,349,290.06x = 28,105,248,508.30 × 12,335,454,249.86
  4. Step 4: Simplify right side
    20,364,349,290.06x = 346,691,007,155,080,658,944
  5. Step 5: Solve for x
    x = 346,691,007,155,080,658,944/20,364,349,290.06
  6. Step 6: Final answer
    x = 17,024,408,794.85

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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.