Home / 408,226,782.96-563,362,254.36-231,987,008.88

Finding the Fourth Proportional to 408,226,782.96, 563,362,254.36 and 231,987,008.88

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Solution

The fourth proportional to 408,226,782.96, 563,362,254.36 and 231,987,008.88 is: 320,147,353.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,226,782.96 : 563,362,254.36 = 231,987,008.88 : x
  2. Step 2: Convert to fraction form
    408,226,782.96/563,362,254.36 = 231,987,008.88/x
  3. Step 3: Cross multiply
    408,226,782.96x = 563,362,254.36 × 231,987,008.88
  4. Step 4: Simplify right side
    408,226,782.96x = 130,692,724,304,870,144
  5. Step 5: Solve for x
    x = 130,692,724,304,870,144/408,226,782.96
  6. Step 6: Final answer
    x = 320,147,353.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.