Home / 293,395,489.40-440,376,669.30-178,604,233.40

Finding the Fourth Proportional to 293,395,489.40, 440,376,669.30 and 178,604,233.40

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Solution

The fourth proportional to 293,395,489.40, 440,376,669.30 and 178,604,233.40 is: 268,078,891.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,395,489.40 : 440,376,669.30 = 178,604,233.40 : x
  2. Step 2: Convert to fraction form
    293,395,489.40/440,376,669.30 = 178,604,233.40/x
  3. Step 3: Cross multiply
    293,395,489.40x = 440,376,669.30 × 178,604,233.40
  4. Step 4: Simplify right side
    293,395,489.40x = 78,653,137,427,571,824
  5. Step 5: Solve for x
    x = 78,653,137,427,571,824/293,395,489.40
  6. Step 6: Final answer
    x = 268,078,891.02

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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.