Home / 905,449,519.73-1,358,172,584.46-283,712,348.58

Finding the Fourth Proportional to 905,449,519.73, 1,358,172,584.46 and 283,712,348.58

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Solution

The fourth proportional to 905,449,519.73, 1,358,172,584.46 and 283,712,348.58 is: 425,567,991.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,449,519.73 : 1,358,172,584.46 = 283,712,348.58 : x
  2. Step 2: Convert to fraction form
    905,449,519.73/1,358,172,584.46 = 283,712,348.58/x
  3. Step 3: Cross multiply
    905,449,519.73x = 1,358,172,584.46 × 283,712,348.58
  4. Step 4: Simplify right side
    905,449,519.73x = 385,330,333,714,115,008
  5. Step 5: Solve for x
    x = 385,330,333,714,115,008/905,449,519.73
  6. Step 6: Final answer
    x = 425,567,991.72

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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.