Home / 538,028,821.82-804,095,405.88-392,768,281.82

Finding the Fourth Proportional to 538,028,821.82, 804,095,405.88 and 392,768,281.82

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Solution

The fourth proportional to 538,028,821.82, 804,095,405.88 and 392,768,281.82 is: 587,000,469.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,028,821.82 : 804,095,405.88 = 392,768,281.82 : x
  2. Step 2: Convert to fraction form
    538,028,821.82/804,095,405.88 = 392,768,281.82/x
  3. Step 3: Cross multiply
    538,028,821.82x = 804,095,405.88 × 392,768,281.82
  4. Step 4: Simplify right side
    538,028,821.82x = 315,823,170,986,843,136
  5. Step 5: Solve for x
    x = 315,823,170,986,843,136/538,028,821.82
  6. Step 6: Final answer
    x = 587,000,469.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.