Home / 550,019,339.03-825,017,023.78-258,725,001.44

Finding the Fourth Proportional to 550,019,339.03, 825,017,023.78 and 258,725,001.44

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Solution

The fourth proportional to 550,019,339.03, 825,017,023.78 and 258,725,001.44 is: 388,081,864.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,019,339.03 : 825,017,023.78 = 258,725,001.44 : x
  2. Step 2: Convert to fraction form
    550,019,339.03/825,017,023.78 = 258,725,001.44/x
  3. Step 3: Cross multiply
    550,019,339.03x = 825,017,023.78 × 258,725,001.44
  4. Step 4: Simplify right side
    550,019,339.03x = 213,452,530,666,920,736
  5. Step 5: Solve for x
    x = 213,452,530,666,920,736/550,019,339.03
  6. Step 6: Final answer
    x = 388,081,864.62

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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.