Home / 386,150,619.60-579,225,929.40-178,888,629.60

Finding the Fourth Proportional to 386,150,619.60, 579,225,929.40 and 178,888,629.60

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Solution

The fourth proportional to 386,150,619.60, 579,225,929.40 and 178,888,629.60 is: 268,332,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,150,619.60 : 579,225,929.40 = 178,888,629.60 : x
  2. Step 2: Convert to fraction form
    386,150,619.60/579,225,929.40 = 178,888,629.60/x
  3. Step 3: Cross multiply
    386,150,619.60x = 579,225,929.40 × 178,888,629.60
  4. Step 4: Simplify right side
    386,150,619.60x = 103,616,932,739,152,336
  5. Step 5: Solve for x
    x = 103,616,932,739,152,336/386,150,619.60
  6. Step 6: Final answer
    x = 268,332,944.40

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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.