Home / 6,643,028,811.60-9,965,978,108.10-1,985,373,599.40

Finding the Fourth Proportional to 6,643,028,811.60, 9,965,978,108.10 and 1,985,373,599.40

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Solution

The fourth proportional to 6,643,028,811.60, 9,965,978,108.10 and 1,985,373,599.40 is: 2,978,489,238.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,028,811.60 : 9,965,978,108.10 = 1,985,373,599.40 : x
  2. Step 2: Convert to fraction form
    6,643,028,811.60/9,965,978,108.10 = 1,985,373,599.40/x
  3. Step 3: Cross multiply
    6,643,028,811.60x = 9,965,978,108.10 × 1,985,373,599.40
  4. Step 4: Simplify right side
    6,643,028,811.60x = 19,786,189,828,020,101,120
  5. Step 5: Solve for x
    x = 19,786,189,828,020,101,120/6,643,028,811.60
  6. Step 6: Final answer
    x = 2,978,489,238.74

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