Home / 3,927,539,198.34-5,420,119,000.05-2,143,507,076.82

Finding the Fourth Proportional to 3,927,539,198.34, 5,420,119,000.05 and 2,143,507,076.82

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Solution

The fourth proportional to 3,927,539,198.34, 5,420,119,000.05 and 2,143,507,076.82 is: 2,958,102,477.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927,539,198.34 : 5,420,119,000.05 = 2,143,507,076.82 : x
  2. Step 2: Convert to fraction form
    3,927,539,198.34/5,420,119,000.05 = 2,143,507,076.82/x
  3. Step 3: Cross multiply
    3,927,539,198.34x = 5,420,119,000.05 × 2,143,507,076.82
  4. Step 4: Simplify right side
    3,927,539,198.34x = 11,618,063,433,813,716,992
  5. Step 5: Solve for x
    x = 11,618,063,433,813,716,992/3,927,539,198.34
  6. Step 6: Final answer
    x = 2,958,102,477.68

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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.