Home / 2,171,045,212.09-3,248,349,894.82-1,286,205,616.33

Finding the Fourth Proportional to 2,171,045,212.09, 3,248,349,894.82 and 1,286,205,616.33

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Solution

The fourth proportional to 2,171,045,212.09, 3,248,349,894.82 and 1,286,205,616.33 is: 1,924,439,829.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,045,212.09 : 3,248,349,894.82 = 1,286,205,616.33 : x
  2. Step 2: Convert to fraction form
    2,171,045,212.09/3,248,349,894.82 = 1,286,205,616.33/x
  3. Step 3: Cross multiply
    2,171,045,212.09x = 3,248,349,894.82 × 1,286,205,616.33
  4. Step 4: Simplify right side
    2,171,045,212.09x = 4,178,045,878,522,448,896
  5. Step 5: Solve for x
    x = 4,178,045,878,522,448,896/2,171,045,212.09
  6. Step 6: Final answer
    x = 1,924,439,829.84

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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.