Home / 290,016,223,380.84-400,204,355,277.12-159,797,790,813.71

Finding the Fourth Proportional to 290,016,223,380.84, 400,204,355,277.12 and 159,797,790,813.71

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Solution

The fourth proportional to 290,016,223,380.84, 400,204,355,277.12 and 159,797,790,813.71 is: 220,511,015,217.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,016,223,380.84 : 400,204,355,277.12 = 159,797,790,813.71 : x
  2. Step 2: Convert to fraction form
    290,016,223,380.84/400,204,355,277.12 = 159,797,790,813.71/x
  3. Step 3: Cross multiply
    290,016,223,380.84x = 400,204,355,277.12 × 159,797,790,813.71
  4. Step 4: Simplify right side
    290,016,223,380.84x = 63,951,771,847,308,896,894,976
  5. Step 5: Solve for x
    x = 63,951,771,847,308,896,894,976/290,016,223,380.84
  6. Step 6: Final answer
    x = 220,511,015,217.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.