Home / 1,978,390,945.04-2,967,928,631.64-668,302,536.08

Finding the Fourth Proportional to 1,978,390,945.04, 2,967,928,631.64 and 668,302,536.08

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Solution

The fourth proportional to 1,978,390,945.04, 2,967,928,631.64 and 668,302,536.08 is: 1,002,569,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,390,945.04 : 2,967,928,631.64 = 668,302,536.08 : x
  2. Step 2: Convert to fraction form
    1,978,390,945.04/2,967,928,631.64 = 668,302,536.08/x
  3. Step 3: Cross multiply
    1,978,390,945.04x = 2,967,928,631.64 × 668,302,536.08
  4. Step 4: Simplify right side
    1,978,390,945.04x = 1,983,474,231,429,456,128
  5. Step 5: Solve for x
    x = 1,983,474,231,429,456,128/1,978,390,945.04
  6. Step 6: Final answer
    x = 1,002,569,404.40

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