Home / 7,199,138,739.72-9,934,826,044.40-4,027,375,623.58

Finding the Fourth Proportional to 7,199,138,739.72, 9,934,826,044.40 and 4,027,375,623.58

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Solution

The fourth proportional to 7,199,138,739.72, 9,934,826,044.40 and 4,027,375,623.58 is: 5,557,786,518.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199,138,739.72 : 9,934,826,044.40 = 4,027,375,623.58 : x
  2. Step 2: Convert to fraction form
    7,199,138,739.72/9,934,826,044.40 = 4,027,375,623.58/x
  3. Step 3: Cross multiply
    7,199,138,739.72x = 9,934,826,044.40 × 4,027,375,623.58
  4. Step 4: Simplify right side
    7,199,138,739.72x = 40,011,276,235,724,275,712
  5. Step 5: Solve for x
    x = 40,011,276,235,724,275,712/7,199,138,739.72
  6. Step 6: Final answer
    x = 5,557,786,518.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.