Home / 613,728,508.04-920,955,966.78-225,823,743.48

Finding the Fourth Proportional to 613,728,508.04, 920,955,966.78 and 225,823,743.48

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Solution

The fourth proportional to 613,728,508.04, 920,955,966.78 and 225,823,743.48 is: 338,869,257.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,728,508.04 : 920,955,966.78 = 225,823,743.48 : x
  2. Step 2: Convert to fraction form
    613,728,508.04/920,955,966.78 = 225,823,743.48/x
  3. Step 3: Cross multiply
    613,728,508.04x = 920,955,966.78 × 225,823,743.48
  4. Step 4: Simplify right side
    613,728,508.04x = 207,973,723,998,502,112
  5. Step 5: Solve for x
    x = 207,973,723,998,502,112/613,728,508.04
  6. Step 6: Final answer
    x = 338,869,257.78

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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.