Home / 5,009,873,299.12-6,913,435,745.82-2,782,348,976.44

Finding the Fourth Proportional to 5,009,873,299.12, 6,913,435,745.82 and 2,782,348,976.44

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Solution

The fourth proportional to 5,009,873,299.12, 6,913,435,745.82 and 2,782,348,976.44 is: 3,839,536,395.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009,873,299.12 : 6,913,435,745.82 = 2,782,348,976.44 : x
  2. Step 2: Convert to fraction form
    5,009,873,299.12/6,913,435,745.82 = 2,782,348,976.44/x
  3. Step 3: Cross multiply
    5,009,873,299.12x = 6,913,435,745.82 × 2,782,348,976.44
  4. Step 4: Simplify right side
    5,009,873,299.12x = 19,235,590,871,065,985,024
  5. Step 5: Solve for x
    x = 19,235,590,871,065,985,024/5,009,873,299.12
  6. Step 6: Final answer
    x = 3,839,536,395.95

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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.