Home / 538,992,085.60-808,768,064.40-251,777,749.60

Finding the Fourth Proportional to 538,992,085.60, 808,768,064.40 and 251,777,749.60

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Solution

The fourth proportional to 538,992,085.60, 808,768,064.40 and 251,777,749.60 is: 377,797,390.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,992,085.60 : 808,768,064.40 = 251,777,749.60 : x
  2. Step 2: Convert to fraction form
    538,992,085.60/808,768,064.40 = 251,777,749.60/x
  3. Step 3: Cross multiply
    538,992,085.60x = 808,768,064.40 × 251,777,749.60
  4. Step 4: Simplify right side
    538,992,085.60x = 203,629,803,202,979,872
  5. Step 5: Solve for x
    x = 203,629,803,202,979,872/538,992,085.60
  6. Step 6: Final answer
    x = 377,797,390.06

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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.