Home / 631,028,680.92-870,864,642-348,765,049.44

Finding the Fourth Proportional to 631,028,680.92, 870,864,642 and 348,765,049.44

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Solution

The fourth proportional to 631,028,680.92, 870,864,642 and 348,765,049.44 is: 481,320,673.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,028,680.92 : 870,864,642 = 348,765,049.44 : x
  2. Step 2: Convert to fraction form
    631,028,680.92/870,864,642 = 348,765,049.44/x
  3. Step 3: Cross multiply
    631,028,680.92x = 870,864,642 × 348,765,049.44
  4. Step 4: Simplify right side
    631,028,680.92x = 303,727,149,922,677,888
  5. Step 5: Solve for x
    x = 303,727,149,922,677,888/631,028,680.92
  6. Step 6: Final answer
    x = 481,320,673.86

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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.