Home / 678,013,435.80-1,017,023,581.80-211,635,765

Finding the Fourth Proportional to 678,013,435.80, 1,017,023,581.80 and 211,635,765

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Solution

The fourth proportional to 678,013,435.80, 1,017,023,581.80 and 211,635,765 is: 317,454,717.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,013,435.80 : 1,017,023,581.80 = 211,635,765 : x
  2. Step 2: Convert to fraction form
    678,013,435.80/1,017,023,581.80 = 211,635,765/x
  3. Step 3: Cross multiply
    678,013,435.80x = 1,017,023,581.80 × 211,635,765
  4. Step 4: Simplify right side
    678,013,435.80x = 215,238,563,757,283,072
  5. Step 5: Solve for x
    x = 215,238,563,757,283,072/678,013,435.80
  6. Step 6: Final answer
    x = 317,454,717.55

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