Home / 12,074,890,171.12-18,120,608,716.80-4,214,302,483.92

Finding the Fourth Proportional to 12,074,890,171.12, 18,120,608,716.80 and 4,214,302,483.92

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Solution

The fourth proportional to 12,074,890,171.12, 18,120,608,716.80 and 4,214,302,483.92 is: 6,324,341,277.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074,890,171.12 : 18,120,608,716.80 = 4,214,302,483.92 : x
  2. Step 2: Convert to fraction form
    12,074,890,171.12/18,120,608,716.80 = 4,214,302,483.92/x
  3. Step 3: Cross multiply
    12,074,890,171.12x = 18,120,608,716.80 × 4,214,302,483.92
  4. Step 4: Simplify right side
    12,074,890,171.12x = 76,365,726,325,352,644,608
  5. Step 5: Solve for x
    x = 76,365,726,325,352,644,608/12,074,890,171.12
  6. Step 6: Final answer
    x = 6,324,341,277.07

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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.