Home / 27,968,933,871.06-38,604,310,116.53-18,216,373,370.42

Finding the Fourth Proportional to 27,968,933,871.06, 38,604,310,116.53 and 18,216,373,370.42

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Solution

The fourth proportional to 27,968,933,871.06, 38,604,310,116.53 and 18,216,373,370.42 is: 25,143,272,533.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,968,933,871.06 : 38,604,310,116.53 = 18,216,373,370.42 : x
  2. Step 2: Convert to fraction form
    27,968,933,871.06/38,604,310,116.53 = 18,216,373,370.42/x
  3. Step 3: Cross multiply
    27,968,933,871.06x = 38,604,310,116.53 × 18,216,373,370.42
  4. Step 4: Simplify right side
    27,968,933,871.06x = 703,230,526,790,192,463,872
  5. Step 5: Solve for x
    x = 703,230,526,790,192,463,872/27,968,933,871.06
  6. Step 6: Final answer
    x = 25,143,272,533.45

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Double scale
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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.