Home / 454,410,403.80-681,615,605.70-398,290,234.20

Finding the Fourth Proportional to 454,410,403.80, 681,615,605.70 and 398,290,234.20

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Solution

The fourth proportional to 454,410,403.80, 681,615,605.70 and 398,290,234.20 is: 597,435,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,410,403.80 : 681,615,605.70 = 398,290,234.20 : x
  2. Step 2: Convert to fraction form
    454,410,403.80/681,615,605.70 = 398,290,234.20/x
  3. Step 3: Cross multiply
    454,410,403.80x = 681,615,605.70 × 398,290,234.20
  4. Step 4: Simplify right side
    454,410,403.80x = 271,480,839,228,627,872
  5. Step 5: Solve for x
    x = 271,480,839,228,627,872/454,410,403.80
  6. Step 6: Final answer
    x = 597,435,351.30

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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.