Home / 3,120,778,763.73-4,680,451,812.87-1,860,599,456.51

Finding the Fourth Proportional to 3,120,778,763.73, 4,680,451,812.87 and 1,860,599,456.51

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Solution

The fourth proportional to 3,120,778,763.73, 4,680,451,812.87 and 1,860,599,456.51 is: 2,790,472,109.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,778,763.73 : 4,680,451,812.87 = 1,860,599,456.51 : x
  2. Step 2: Convert to fraction form
    3,120,778,763.73/4,680,451,812.87 = 1,860,599,456.51/x
  3. Step 3: Cross multiply
    3,120,778,763.73x = 4,680,451,812.87 × 1,860,599,456.51
  4. Step 4: Simplify right side
    3,120,778,763.73x = 8,708,446,099,223,763,968
  5. Step 5: Solve for x
    x = 8,708,446,099,223,763,968/3,120,778,763.73
  6. Step 6: Final answer
    x = 2,790,472,109.22

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