Home / 18,369,864,443.28-27,532,410,796.40-9,521,825,290.32

Finding the Fourth Proportional to 18,369,864,443.28, 27,532,410,796.40 and 9,521,825,290.32

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Solution

The fourth proportional to 18,369,864,443.28, 27,532,410,796.40 and 9,521,825,290.32 is: 14,271,134,456.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,369,864,443.28 : 27,532,410,796.40 = 9,521,825,290.32 : x
  2. Step 2: Convert to fraction form
    18,369,864,443.28/27,532,410,796.40 = 9,521,825,290.32/x
  3. Step 3: Cross multiply
    18,369,864,443.28x = 27,532,410,796.40 × 9,521,825,290.32
  4. Step 4: Simplify right side
    18,369,864,443.28x = 262,158,805,424,640,950,272
  5. Step 5: Solve for x
    x = 262,158,805,424,640,950,272/18,369,864,443.28
  6. Step 6: Final answer
    x = 14,271,134,456.88

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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.