Home / 2,171,045,211.09-3,248,349,893.33-1,286,205,615.33

Finding the Fourth Proportional to 2,171,045,211.09, 3,248,349,893.33 and 1,286,205,615.33

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Solution

The fourth proportional to 2,171,045,211.09, 3,248,349,893.33 and 1,286,205,615.33 is: 1,924,439,828.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,045,211.09 : 3,248,349,893.33 = 1,286,205,615.33 : x
  2. Step 2: Convert to fraction form
    2,171,045,211.09/3,248,349,893.33 = 1,286,205,615.33/x
  3. Step 3: Cross multiply
    2,171,045,211.09x = 3,248,349,893.33 × 1,286,205,615.33
  4. Step 4: Simplify right side
    2,171,045,211.09x = 4,178,045,873,351,220,736
  5. Step 5: Solve for x
    x = 4,178,045,873,351,220,736/2,171,045,211.09
  6. Step 6: Final answer
    x = 1,924,439,828.34

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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.