Home / 2,485,693,883.78-3,729,032,001.27-911,815,801.82

Finding the Fourth Proportional to 2,485,693,883.78, 3,729,032,001.27 and 911,815,801.82

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Solution

The fourth proportional to 2,485,693,883.78, 3,729,032,001.27 and 911,815,801.82 is: 1,367,903,878.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,693,883.78 : 3,729,032,001.27 = 911,815,801.82 : x
  2. Step 2: Convert to fraction form
    2,485,693,883.78/3,729,032,001.27 = 911,815,801.82/x
  3. Step 3: Cross multiply
    2,485,693,883.78x = 3,729,032,001.27 × 911,815,801.82
  4. Step 4: Simplify right side
    2,485,693,883.78x = 3,400,190,304,250,444,288
  5. Step 5: Solve for x
    x = 3,400,190,304,250,444,288/2,485,693,883.78
  6. Step 6: Final answer
    x = 1,367,903,878.45

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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.