Home / 293,398,660.80-440,097,991.20-262,787,659.20

Finding the Fourth Proportional to 293,398,660.80, 440,097,991.20 and 262,787,659.20

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Solution

The fourth proportional to 293,398,660.80, 440,097,991.20 and 262,787,659.20 is: 394,181,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,398,660.80 : 440,097,991.20 = 262,787,659.20 : x
  2. Step 2: Convert to fraction form
    293,398,660.80/440,097,991.20 = 262,787,659.20/x
  3. Step 3: Cross multiply
    293,398,660.80x = 440,097,991.20 × 262,787,659.20
  4. Step 4: Simplify right side
    293,398,660.80x = 115,652,320,926,070,192
  5. Step 5: Solve for x
    x = 115,652,320,926,070,192/293,398,660.80
  6. Step 6: Final answer
    x = 394,181,488.80

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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.