Home / 911,492,251.20-1,367,238,394.08-221,394,855.36

Finding the Fourth Proportional to 911,492,251.20, 1,367,238,394.08 and 221,394,855.36

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Solution

The fourth proportional to 911,492,251.20, 1,367,238,394.08 and 221,394,855.36 is: 332,092,287.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,492,251.20 : 1,367,238,394.08 = 221,394,855.36 : x
  2. Step 2: Convert to fraction form
    911,492,251.20/1,367,238,394.08 = 221,394,855.36/x
  3. Step 3: Cross multiply
    911,492,251.20x = 1,367,238,394.08 × 221,394,855.36
  4. Step 4: Simplify right side
    911,492,251.20x = 302,699,546,499,980,288
  5. Step 5: Solve for x
    x = 302,699,546,499,980,288/911,492,251.20
  6. Step 6: Final answer
    x = 332,092,287.24

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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.