Home / 7,281,973,131.36-10,049,149,404.75-3,940,471,413.73

Finding the Fourth Proportional to 7,281,973,131.36, 10,049,149,404.75 and 3,940,471,413.73

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Solution

The fourth proportional to 7,281,973,131.36, 10,049,149,404.75 and 3,940,471,413.73 is: 5,437,864,881.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281,973,131.36 : 10,049,149,404.75 = 3,940,471,413.73 : x
  2. Step 2: Convert to fraction form
    7,281,973,131.36/10,049,149,404.75 = 3,940,471,413.73/x
  3. Step 3: Cross multiply
    7,281,973,131.36x = 10,049,149,404.75 × 3,940,471,413.73
  4. Step 4: Simplify right side
    7,281,973,131.36x = 39,598,385,961,724,395,520
  5. Step 5: Solve for x
    x = 39,598,385,961,724,395,520/7,281,973,131.36
  6. Step 6: Final answer
    x = 5,437,864,881.87

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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.