Home / 7,199,138,759.20-9,934,826,071.36-4,027,375,643.12

Finding the Fourth Proportional to 7,199,138,759.20, 9,934,826,071.36 and 4,027,375,643.12

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Solution

The fourth proportional to 7,199,138,759.20, 9,934,826,071.36 and 4,027,375,643.12 is: 5,557,786,545.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199,138,759.20 : 9,934,826,071.36 = 4,027,375,643.12 : x
  2. Step 2: Convert to fraction form
    7,199,138,759.20/9,934,826,071.36 = 4,027,375,643.12/x
  3. Step 3: Cross multiply
    7,199,138,759.20x = 9,934,826,071.36 × 4,027,375,643.12
  4. Step 4: Simplify right side
    7,199,138,759.20x = 40,011,276,538,428,825,600
  5. Step 5: Solve for x
    x = 40,011,276,538,428,825,600/7,199,138,759.20
  6. Step 6: Final answer
    x = 5,557,786,545.97

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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.