Home / 382,480,930.80-573,721,396.20-299,257,270.20

Finding the Fourth Proportional to 382,480,930.80, 573,721,396.20 and 299,257,270.20

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Solution

The fourth proportional to 382,480,930.80, 573,721,396.20 and 299,257,270.20 is: 448,885,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,480,930.80 : 573,721,396.20 = 299,257,270.20 : x
  2. Step 2: Convert to fraction form
    382,480,930.80/573,721,396.20 = 299,257,270.20/x
  3. Step 3: Cross multiply
    382,480,930.80x = 573,721,396.20 × 299,257,270.20
  4. Step 4: Simplify right side
    382,480,930.80x = 171,690,298,882,144,672
  5. Step 5: Solve for x
    x = 171,690,298,882,144,672/382,480,930.80
  6. Step 6: Final answer
    x = 448,885,905.30

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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.