Home / 842,008,469.25-1,161,842,600.25-484,707,180.09

Finding the Fourth Proportional to 842,008,469.25, 1,161,842,600.25 and 484,707,180.09

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Solution

The fourth proportional to 842,008,469.25, 1,161,842,600.25 and 484,707,180.09 is: 668,821,598.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,008,469.25 : 1,161,842,600.25 = 484,707,180.09 : x
  2. Step 2: Convert to fraction form
    842,008,469.25/1,161,842,600.25 = 484,707,180.09/x
  3. Step 3: Cross multiply
    842,008,469.25x = 1,161,842,600.25 × 484,707,180.09
  4. Step 4: Simplify right side
    842,008,469.25x = 563,153,450,475,610,624
  5. Step 5: Solve for x
    x = 563,153,450,475,610,624/842,008,469.25
  6. Step 6: Final answer
    x = 668,821,598.64

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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.