Home / 12,074,890,159.10-18,120,608,698.83-4,214,302,471.91

Finding the Fourth Proportional to 12,074,890,159.10, 18,120,608,698.83 and 4,214,302,471.91

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Solution

The fourth proportional to 12,074,890,159.10, 18,120,608,698.83 and 4,214,302,471.91 is: 6,324,341,259.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074,890,159.10 : 18,120,608,698.83 = 4,214,302,471.91 : x
  2. Step 2: Convert to fraction form
    12,074,890,159.10/18,120,608,698.83 = 4,214,302,471.91/x
  3. Step 3: Cross multiply
    12,074,890,159.10x = 18,120,608,698.83 × 4,214,302,471.91
  4. Step 4: Simplify right side
    12,074,890,159.10x = 76,365,726,031,972,040,704
  5. Step 5: Solve for x
    x = 76,365,726,031,972,040,704/12,074,890,159.10
  6. Step 6: Final answer
    x = 6,324,341,259.08

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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.