Home / 3,120,778,886.52-4,680,451,996.62-1,860,599,579.16

Finding the Fourth Proportional to 3,120,778,886.52, 4,680,451,996.62 and 1,860,599,579.16

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Solution

The fourth proportional to 3,120,778,886.52, 4,680,451,996.62 and 1,860,599,579.16 is: 2,790,472,292.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,778,886.52 : 4,680,451,996.62 = 1,860,599,579.16 : x
  2. Step 2: Convert to fraction form
    3,120,778,886.52/4,680,451,996.62 = 1,860,599,579.16/x
  3. Step 3: Cross multiply
    3,120,778,886.52x = 4,680,451,996.62 × 1,860,599,579.16
  4. Step 4: Simplify right side
    3,120,778,886.52x = 8,708,447,015,189,753,856
  5. Step 5: Solve for x
    x = 8,708,447,015,189,753,856/3,120,778,886.52
  6. Step 6: Final answer
    x = 2,790,472,292.93

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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.