Home / 322,569,735.80-483,917,589.30-128,448,116.60

Finding the Fourth Proportional to 322,569,735.80, 483,917,589.30 and 128,448,116.60

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Solution

The fourth proportional to 322,569,735.80, 483,917,589.30 and 128,448,116.60 is: 192,697,255.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,569,735.80 : 483,917,589.30 = 128,448,116.60 : x
  2. Step 2: Convert to fraction form
    322,569,735.80/483,917,589.30 = 128,448,116.60/x
  3. Step 3: Cross multiply
    322,569,735.80x = 483,917,589.30 × 128,448,116.60
  4. Step 4: Simplify right side
    322,569,735.80x = 62,158,302,935,197,312
  5. Step 5: Solve for x
    x = 62,158,302,935,197,312/322,569,735.80
  6. Step 6: Final answer
    x = 192,697,255.93

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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.