Home / 390,986,269,709.97-586,162,915,217.15-122,236,913,902.27

Finding the Fourth Proportional to 390,986,269,709.97, 586,162,915,217.15 and 122,236,913,902.27

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Solution

The fourth proportional to 390,986,269,709.97, 586,162,915,217.15 and 122,236,913,902.27 is: 183,256,424,460.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,986,269,709.97 : 586,162,915,217.15 = 122,236,913,902.27 : x
  2. Step 2: Convert to fraction form
    390,986,269,709.97/586,162,915,217.15 = 122,236,913,902.27/x
  3. Step 3: Cross multiply
    390,986,269,709.97x = 586,162,915,217.15 × 122,236,913,902.27
  4. Step 4: Simplify right side
    390,986,269,709.97x = 71,650,745,800,102,361,694,208
  5. Step 5: Solve for x
    x = 71,650,745,800,102,361,694,208/390,986,269,709.97
  6. Step 6: Final answer
    x = 183,256,424,460.26

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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.