Home / 445,825,519.60-668,738,279.40-154,595,851.60

Finding the Fourth Proportional to 445,825,519.60, 668,738,279.40 and 154,595,851.60

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Solution

The fourth proportional to 445,825,519.60, 668,738,279.40 and 154,595,851.60 is: 231,893,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,825,519.60 : 668,738,279.40 = 154,595,851.60 : x
  2. Step 2: Convert to fraction form
    445,825,519.60/668,738,279.40 = 154,595,851.60/x
  3. Step 3: Cross multiply
    445,825,519.60x = 668,738,279.40 × 154,595,851.60
  4. Step 4: Simplify right side
    445,825,519.60x = 103,384,163,801,361,728
  5. Step 5: Solve for x
    x = 103,384,163,801,361,728/445,825,519.60
  6. Step 6: Final answer
    x = 231,893,777.40

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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.