Home / 358,992,187.20-538,913,433.60-203,669,697.60

Finding the Fourth Proportional to 358,992,187.20, 538,913,433.60 and 203,669,697.60

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Solution

The fourth proportional to 358,992,187.20, 538,913,433.60 and 203,669,697.60 is: 305,745,751.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,992,187.20 : 538,913,433.60 = 203,669,697.60 : x
  2. Step 2: Convert to fraction form
    358,992,187.20/538,913,433.60 = 203,669,697.60/x
  3. Step 3: Cross multiply
    358,992,187.20x = 538,913,433.60 × 203,669,697.60
  4. Step 4: Simplify right side
    358,992,187.20x = 109,760,336,053,889,680
  5. Step 5: Solve for x
    x = 109,760,336,053,889,680/358,992,187.20
  6. Step 6: Final answer
    x = 305,745,751.49

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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.