Home / 2,878,231,998.72-3,971,961,440.64-1,558,132,512

Finding the Fourth Proportional to 2,878,231,998.72, 3,971,961,440.64 and 1,558,132,512

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Solution

The fourth proportional to 2,878,231,998.72, 3,971,961,440.64 and 1,558,132,512 is: 2,150,223,560.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,231,998.72 : 3,971,961,440.64 = 1,558,132,512 : x
  2. Step 2: Convert to fraction form
    2,878,231,998.72/3,971,961,440.64 = 1,558,132,512/x
  3. Step 3: Cross multiply
    2,878,231,998.72x = 3,971,961,440.64 × 1,558,132,512
  4. Step 4: Simplify right side
    2,878,231,998.72x = 6,188,842,257,071,542,272
  5. Step 5: Solve for x
    x = 6,188,842,257,071,542,272/2,878,231,998.72
  6. Step 6: Final answer
    x = 2,150,223,560.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.