Home / 454,410,412.80-681,615,619.20-398,290,243.20

Finding the Fourth Proportional to 454,410,412.80, 681,615,619.20 and 398,290,243.20

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Solution

The fourth proportional to 454,410,412.80, 681,615,619.20 and 398,290,243.20 is: 597,435,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,410,412.80 : 681,615,619.20 = 398,290,243.20 : x
  2. Step 2: Convert to fraction form
    454,410,412.80/681,615,619.20 = 398,290,243.20/x
  3. Step 3: Cross multiply
    454,410,412.80x = 681,615,619.20 × 398,290,243.20
  4. Step 4: Simplify right side
    454,410,412.80x = 271,480,850,740,086,592
  5. Step 5: Solve for x
    x = 271,480,850,740,086,592/454,410,412.80
  6. Step 6: Final answer
    x = 597,435,364.80

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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.