Home / 293,405,905.80-440,108,858.70-262,794,904.20

Finding the Fourth Proportional to 293,405,905.80, 440,108,858.70 and 262,794,904.20

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Solution

The fourth proportional to 293,405,905.80, 440,108,858.70 and 262,794,904.20 is: 394,192,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,405,905.80 : 440,108,858.70 = 262,794,904.20 : x
  2. Step 2: Convert to fraction form
    293,405,905.80/440,108,858.70 = 262,794,904.20/x
  3. Step 3: Cross multiply
    293,405,905.80x = 440,108,858.70 × 262,794,904.20
  4. Step 4: Simplify right side
    293,405,905.80x = 115,658,365,359,637,824
  5. Step 5: Solve for x
    x = 115,658,365,359,637,824/293,405,905.80
  6. Step 6: Final answer
    x = 394,192,356.30

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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.