Home / 358,992,195.20-538,913,445.60-203,669,705.60

Finding the Fourth Proportional to 358,992,195.20, 538,913,445.60 and 203,669,705.60

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Solution

The fourth proportional to 358,992,195.20, 538,913,445.60 and 203,669,705.60 is: 305,745,763.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,992,195.20 : 538,913,445.60 = 203,669,705.60 : x
  2. Step 2: Convert to fraction form
    358,992,195.20/538,913,445.60 = 203,669,705.60/x
  3. Step 3: Cross multiply
    358,992,195.20x = 538,913,445.60 × 203,669,705.60
  4. Step 4: Simplify right side
    358,992,195.20x = 109,760,342,809,233,616
  5. Step 5: Solve for x
    x = 109,760,342,809,233,616/358,992,195.20
  6. Step 6: Final answer
    x = 305,745,763.49

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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.