Home / 409,200,229.49-564,696,542.79-221,028,522.39

Finding the Fourth Proportional to 409,200,229.49, 564,696,542.79 and 221,028,522.39

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Solution

The fourth proportional to 409,200,229.49, 564,696,542.79 and 221,028,522.39 is: 305,019,483.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,200,229.49 : 564,696,542.79 = 221,028,522.39 : x
  2. Step 2: Convert to fraction form
    409,200,229.49/564,696,542.79 = 221,028,522.39/x
  3. Step 3: Cross multiply
    409,200,229.49x = 564,696,542.79 × 221,028,522.39
  4. Step 4: Simplify right side
    409,200,229.49x = 124,814,042,451,615,088
  5. Step 5: Solve for x
    x = 124,814,042,451,615,088/409,200,229.49
  6. Step 6: Final answer
    x = 305,019,483.03

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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.