Home / 27,286,619,062.47-40,893,342,450.97-21,236,520,463.92

Finding the Fourth Proportional to 27,286,619,062.47, 40,893,342,450.97 and 21,236,520,463.92

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Solution

The fourth proportional to 27,286,619,062.47, 40,893,342,450.97 and 21,236,520,463.92 is: 31,826,306,579.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286,619,062.47 : 40,893,342,450.97 = 21,236,520,463.92 : x
  2. Step 2: Convert to fraction form
    27,286,619,062.47/40,893,342,450.97 = 21,236,520,463.92/x
  3. Step 3: Cross multiply
    27,286,619,062.47x = 40,893,342,450.97 × 21,236,520,463.92
  4. Step 4: Simplify right side
    27,286,619,062.47x = 868,432,303,798,276,456,448
  5. Step 5: Solve for x
    x = 868,432,303,798,276,456,448/27,286,619,062.47
  6. Step 6: Final answer
    x = 31,826,306,579.43

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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.