Home / 362,942,840,876.47-500,861,862,153.05-200,362,710,414.58

Finding the Fourth Proportional to 362,942,840,876.47, 500,861,862,153.05 and 200,362,710,414.58

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Solution

The fourth proportional to 362,942,840,876.47, 500,861,862,153.05 and 200,362,710,414.58 is: 276,500,949,851.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,942,840,876.47 : 500,861,862,153.05 = 200,362,710,414.58 : x
  2. Step 2: Convert to fraction form
    362,942,840,876.47/500,861,862,153.05 = 200,362,710,414.58/x
  3. Step 3: Cross multiply
    362,942,840,876.47x = 500,861,862,153.05 × 200,362,710,414.58
  4. Step 4: Simplify right side
    362,942,840,876.47x = 100,354,040,244,278,835,281,920
  5. Step 5: Solve for x
    x = 100,354,040,244,278,835,281,920/362,942,840,876.47
  6. Step 6: Final answer
    x = 276,500,949,851.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.