Home / 409,012,306.74-613,531,057.23-178,862,924.34

Finding the Fourth Proportional to 409,012,306.74, 613,531,057.23 and 178,862,924.34

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Solution

The fourth proportional to 409,012,306.74, 613,531,057.23 and 178,862,924.34 is: 268,299,895.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,012,306.74 : 613,531,057.23 = 178,862,924.34 : x
  2. Step 2: Convert to fraction form
    409,012,306.74/613,531,057.23 = 178,862,924.34/x
  3. Step 3: Cross multiply
    409,012,306.74x = 613,531,057.23 × 178,862,924.34
  4. Step 4: Simplify right side
    409,012,306.74x = 109,737,959,069,569,712
  5. Step 5: Solve for x
    x = 109,737,959,069,569,712/409,012,306.74
  6. Step 6: Final answer
    x = 268,299,895.29

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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.