Home / 492,171,946.30-738,541,354.65-185,684,016.70

Finding the Fourth Proportional to 492,171,946.30, 738,541,354.65 and 185,684,016.70

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Solution

The fourth proportional to 492,171,946.30, 738,541,354.65 and 185,684,016.70 is: 278,632,957.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,171,946.30 : 738,541,354.65 = 185,684,016.70 : x
  2. Step 2: Convert to fraction form
    492,171,946.30/738,541,354.65 = 185,684,016.70/x
  3. Step 3: Cross multiply
    492,171,946.30x = 738,541,354.65 × 185,684,016.70
  4. Step 4: Simplify right side
    492,171,946.30x = 137,135,325,230,471,216
  5. Step 5: Solve for x
    x = 137,135,325,230,471,216/492,171,946.30
  6. Step 6: Final answer
    x = 278,632,957.98

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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.