Home / 940,978,045.20-1,411,467,067.80-480,763,261.20

Finding the Fourth Proportional to 940,978,045.20, 1,411,467,067.80 and 480,763,261.20

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Solution

The fourth proportional to 940,978,045.20, 1,411,467,067.80 and 480,763,261.20 is: 721,144,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,978,045.20 : 1,411,467,067.80 = 480,763,261.20 : x
  2. Step 2: Convert to fraction form
    940,978,045.20/1,411,467,067.80 = 480,763,261.20/x
  3. Step 3: Cross multiply
    940,978,045.20x = 1,411,467,067.80 × 480,763,261.20
  4. Step 4: Simplify right side
    940,978,045.20x = 678,581,510,591,929,472
  5. Step 5: Solve for x
    x = 678,581,510,591,929,472/940,978,045.20
  6. Step 6: Final answer
    x = 721,144,891.80

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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.