Home / 408,642,012.56-613,178,248.44-236,239,927.76

Finding the Fourth Proportional to 408,642,012.56, 613,178,248.44 and 236,239,927.76

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Solution

The fourth proportional to 408,642,012.56, 613,178,248.44 and 236,239,927.76 is: 354,484,317.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,642,012.56 : 613,178,248.44 = 236,239,927.76 : x
  2. Step 2: Convert to fraction form
    408,642,012.56/613,178,248.44 = 236,239,927.76/x
  3. Step 3: Cross multiply
    408,642,012.56x = 613,178,248.44 × 236,239,927.76
  4. Step 4: Simplify right side
    408,642,012.56x = 144,857,185,115,468,928
  5. Step 5: Solve for x
    x = 144,857,185,115,468,928/408,642,012.56
  6. Step 6: Final answer
    x = 354,484,317.97

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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.