Home / 40,278,794,443.80-60,407,886,235.80-11,942,099,834.64

Finding the Fourth Proportional to 40,278,794,443.80, 60,407,886,235.80 and 11,942,099,834.64

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Solution

The fourth proportional to 40,278,794,443.80, 60,407,886,235.80 and 11,942,099,834.64 is: 17,910,094,335.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278,794,443.80 : 60,407,886,235.80 = 11,942,099,834.64 : x
  2. Step 2: Convert to fraction form
    40,278,794,443.80/60,407,886,235.80 = 11,942,099,834.64/x
  3. Step 3: Cross multiply
    40,278,794,443.80x = 60,407,886,235.80 × 11,942,099,834.64
  4. Step 4: Simplify right side
    40,278,794,443.80x = 721,397,008,227,197,124,608
  5. Step 5: Solve for x
    x = 721,397,008,227,197,124,608/40,278,794,443.80
  6. Step 6: Final answer
    x = 17,910,094,335.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.