Home / 18,318,483,834.97-27,479,308,581.00-5,053,742,116.25

Finding the Fourth Proportional to 18,318,483,834.97, 27,479,308,581.00 and 5,053,742,116.25

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Solution

The fourth proportional to 18,318,483,834.97, 27,479,308,581.00 and 5,053,742,116.25 is: 7,581,049,848.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318,483,834.97 : 27,479,308,581.00 = 5,053,742,116.25 : x
  2. Step 2: Convert to fraction form
    18,318,483,834.97/27,479,308,581.00 = 5,053,742,116.25/x
  3. Step 3: Cross multiply
    18,318,483,834.97x = 27,479,308,581.00 × 5,053,742,116.25
  4. Step 4: Simplify right side
    18,318,483,834.97x = 138,873,339,101,315,792,896
  5. Step 5: Solve for x
    x = 138,873,339,101,315,792,896/18,318,483,834.97
  6. Step 6: Final answer
    x = 7,581,049,848.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.