Home / 382,331,878.35-573,497,975.89-171,996,885

Finding the Fourth Proportional to 382,331,878.35, 573,497,975.89 and 171,996,885

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Solution

The fourth proportional to 382,331,878.35, 573,497,975.89 and 171,996,885 is: 257,995,398.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,331,878.35 : 573,497,975.89 = 171,996,885 : x
  2. Step 2: Convert to fraction form
    382,331,878.35/573,497,975.89 = 171,996,885/x
  3. Step 3: Cross multiply
    382,331,878.35x = 573,497,975.89 × 171,996,885
  4. Step 4: Simplify right side
    382,331,878.35x = 98,639,865,407,101,824
  5. Step 5: Solve for x
    x = 98,639,865,407,101,824/382,331,878.35
  6. Step 6: Final answer
    x = 257,995,398.75

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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.