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Finding the Fourth Proportional to 283,987,302.80, 425,980,954.20 and 253,376,301.20

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Solution

The fourth proportional to 283,987,302.80, 425,980,954.20 and 253,376,301.20 is: 380,064,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,987,302.80 : 425,980,954.20 = 253,376,301.20 : x
  2. Step 2: Convert to fraction form
    283,987,302.80/425,980,954.20 = 253,376,301.20/x
  3. Step 3: Cross multiply
    283,987,302.80x = 425,980,954.20 × 253,376,301.20
  4. Step 4: Simplify right side
    283,987,302.80x = 107,933,478,556,842,592
  5. Step 5: Solve for x
    x = 107,933,478,556,842,592/283,987,302.80
  6. Step 6: Final answer
    x = 380,064,451.80

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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.