Home / 2,212,943,134.21-3,318,469,799.68-1,280,909,317.22

Finding the Fourth Proportional to 2,212,943,134.21, 3,318,469,799.68 and 1,280,909,317.22

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Solution

The fourth proportional to 2,212,943,134.21, 3,318,469,799.68 and 1,280,909,317.22 is: 1,920,817,042.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,943,134.21 : 3,318,469,799.68 = 1,280,909,317.22 : x
  2. Step 2: Convert to fraction form
    2,212,943,134.21/3,318,469,799.68 = 1,280,909,317.22/x
  3. Step 3: Cross multiply
    2,212,943,134.21x = 3,318,469,799.68 × 1,280,909,317.22
  4. Step 4: Simplify right side
    2,212,943,134.21x = 4,250,658,885,323,298,816
  5. Step 5: Solve for x
    x = 4,250,658,885,323,298,816/2,212,943,134.21
  6. Step 6: Final answer
    x = 1,920,817,042.07

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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.