Home / 486,195,194.14-729,243,710.03-329,633,461.78

Finding the Fourth Proportional to 486,195,194.14, 729,243,710.03 and 329,633,461.78

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Solution

The fourth proportional to 486,195,194.14, 729,243,710.03 and 329,633,461.78 is: 494,416,916.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,195,194.14 : 729,243,710.03 = 329,633,461.78 : x
  2. Step 2: Convert to fraction form
    486,195,194.14/729,243,710.03 = 329,633,461.78/x
  3. Step 3: Cross multiply
    486,195,194.14x = 729,243,710.03 × 329,633,461.78
  4. Step 4: Simplify right side
    486,195,194.14x = 240,383,128,617,480,384
  5. Step 5: Solve for x
    x = 240,383,128,617,480,384/486,195,194.14
  6. Step 6: Final answer
    x = 494,416,916.32

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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.