Home / 678,742,785.90-1,018,114,178.85-269,798,936.40

Finding the Fourth Proportional to 678,742,785.90, 1,018,114,178.85 and 269,798,936.40

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Solution

The fourth proportional to 678,742,785.90, 1,018,114,178.85 and 269,798,936.40 is: 404,698,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,742,785.90 : 1,018,114,178.85 = 269,798,936.40 : x
  2. Step 2: Convert to fraction form
    678,742,785.90/1,018,114,178.85 = 269,798,936.40/x
  3. Step 3: Cross multiply
    678,742,785.90x = 1,018,114,178.85 × 269,798,936.40
  4. Step 4: Simplify right side
    678,742,785.90x = 274,686,122,587,489,344
  5. Step 5: Solve for x
    x = 274,686,122,587,489,344/678,742,785.90
  6. Step 6: Final answer
    x = 404,698,404.60

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