Home / 484,568,575.80-726,852,863.70-291,076,812.60

Finding the Fourth Proportional to 484,568,575.80, 726,852,863.70 and 291,076,812.60

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Solution

The fourth proportional to 484,568,575.80, 726,852,863.70 and 291,076,812.60 is: 436,615,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,568,575.80 : 726,852,863.70 = 291,076,812.60 : x
  2. Step 2: Convert to fraction form
    484,568,575.80/726,852,863.70 = 291,076,812.60/x
  3. Step 3: Cross multiply
    484,568,575.80x = 726,852,863.70 × 291,076,812.60
  4. Step 4: Simplify right side
    484,568,575.80x = 211,570,014,794,978,272
  5. Step 5: Solve for x
    x = 211,570,014,794,978,272/484,568,575.80
  6. Step 6: Final answer
    x = 436,615,218.90

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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.