Home / 1,978,133,961.12-2,729,830,238.08-1,086,118,464.56

Finding the Fourth Proportional to 1,978,133,961.12, 2,729,830,238.08 and 1,086,118,464.56

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Solution

The fourth proportional to 1,978,133,961.12, 2,729,830,238.08 and 1,086,118,464.56 is: 1,498,846,430.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,133,961.12 : 2,729,830,238.08 = 1,086,118,464.56 : x
  2. Step 2: Convert to fraction form
    1,978,133,961.12/2,729,830,238.08 = 1,086,118,464.56/x
  3. Step 3: Cross multiply
    1,978,133,961.12x = 2,729,830,238.08 × 1,086,118,464.56
  4. Step 4: Simplify right side
    1,978,133,961.12x = 2,964,919,026,692,908,544
  5. Step 5: Solve for x
    x = 2,964,919,026,692,908,544/1,978,133,961.12
  6. Step 6: Final answer
    x = 1,498,846,430.51

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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.