Home / 842,008,469.50-1,161,842,600.59-484,707,180.34

Finding the Fourth Proportional to 842,008,469.50, 1,161,842,600.59 and 484,707,180.34

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Solution

The fourth proportional to 842,008,469.50, 1,161,842,600.59 and 484,707,180.34 is: 668,821,598.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,008,469.50 : 1,161,842,600.59 = 484,707,180.34 : x
  2. Step 2: Convert to fraction form
    842,008,469.50/1,161,842,600.59 = 484,707,180.34/x
  3. Step 3: Cross multiply
    842,008,469.50x = 1,161,842,600.59 × 484,707,180.34
  4. Step 4: Simplify right side
    842,008,469.50x = 563,153,450,930,871,680
  5. Step 5: Solve for x
    x = 563,153,450,930,871,680/842,008,469.50
  6. Step 6: Final answer
    x = 668,821,598.99

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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.