Home / 1,331,921,466.21-1,998,571,081.65-966,469,421.37

Finding the Fourth Proportional to 1,331,921,466.21, 1,998,571,081.65 and 966,469,421.37

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Solution

The fourth proportional to 1,331,921,466.21, 1,998,571,081.65 and 966,469,421.37 is: 1,450,203,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,921,466.21 : 1,998,571,081.65 = 966,469,421.37 : x
  2. Step 2: Convert to fraction form
    1,331,921,466.21/1,998,571,081.65 = 966,469,421.37/x
  3. Step 3: Cross multiply
    1,331,921,466.21x = 1,998,571,081.65 × 966,469,421.37
  4. Step 4: Simplify right side
    1,331,921,466.21x = 1,931,557,836,849,090,560
  5. Step 5: Solve for x
    x = 1,931,557,836,849,090,560/1,331,921,466.21
  6. Step 6: Final answer
    x = 1,450,203,999.15

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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.