Home / 27,968,933,870.06-38,604,310,115.15-18,216,373,369.42

Finding the Fourth Proportional to 27,968,933,870.06, 38,604,310,115.15 and 18,216,373,369.42

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Solution

The fourth proportional to 27,968,933,870.06, 38,604,310,115.15 and 18,216,373,369.42 is: 25,143,272,532.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,968,933,870.06 : 38,604,310,115.15 = 18,216,373,369.42 : x
  2. Step 2: Convert to fraction form
    27,968,933,870.06/38,604,310,115.15 = 18,216,373,369.42/x
  3. Step 3: Cross multiply
    27,968,933,870.06x = 38,604,310,115.15 × 18,216,373,369.42
  4. Step 4: Simplify right side
    27,968,933,870.06x = 703,230,526,726,315,573,248
  5. Step 5: Solve for x
    x = 703,230,526,726,315,573,248/27,968,933,870.06
  6. Step 6: Final answer
    x = 25,143,272,532.07

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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.