Home / 420,234,975.24-631,309,058.64-304,008,828.36

Finding the Fourth Proportional to 420,234,975.24, 631,309,058.64 and 304,008,828.36

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Solution

The fourth proportional to 420,234,975.24, 631,309,058.64 and 304,008,828.36 is: 456,705,268.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,234,975.24 : 631,309,058.64 = 304,008,828.36 : x
  2. Step 2: Convert to fraction form
    420,234,975.24/631,309,058.64 = 304,008,828.36/x
  3. Step 3: Cross multiply
    420,234,975.24x = 631,309,058.64 × 304,008,828.36
  4. Step 4: Simplify right side
    420,234,975.24x = 191,923,527,250,200,928
  5. Step 5: Solve for x
    x = 191,923,527,250,200,928/420,234,975.24
  6. Step 6: Final answer
    x = 456,705,268.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.