Home / 386,150,605.60-579,225,908.40-178,888,615.60

Finding the Fourth Proportional to 386,150,605.60, 579,225,908.40 and 178,888,615.60

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Solution

The fourth proportional to 386,150,605.60, 579,225,908.40 and 178,888,615.60 is: 268,332,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,150,605.60 : 579,225,908.40 = 178,888,615.60 : x
  2. Step 2: Convert to fraction form
    386,150,605.60/579,225,908.40 = 178,888,615.60/x
  3. Step 3: Cross multiply
    386,150,605.60x = 579,225,908.40 × 178,888,615.60
  4. Step 4: Simplify right side
    386,150,605.60x = 103,616,920,873,328,400
  5. Step 5: Solve for x
    x = 103,616,920,873,328,400/386,150,605.60
  6. Step 6: Final answer
    x = 268,332,923.40

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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.