Home / 492,171,947.80-738,541,356.90-185,684,018.20

Finding the Fourth Proportional to 492,171,947.80, 738,541,356.90 and 185,684,018.20

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Solution

The fourth proportional to 492,171,947.80, 738,541,356.90 and 185,684,018.20 is: 278,632,960.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,171,947.80 : 738,541,356.90 = 185,684,018.20 : x
  2. Step 2: Convert to fraction form
    492,171,947.80/738,541,356.90 = 185,684,018.20/x
  3. Step 3: Cross multiply
    492,171,947.80x = 738,541,356.90 × 185,684,018.20
  4. Step 4: Simplify right side
    492,171,947.80x = 137,135,326,756,072,288
  5. Step 5: Solve for x
    x = 137,135,326,756,072,288/492,171,947.80
  6. Step 6: Final answer
    x = 278,632,960.23

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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.