Home / 1,331,921,460.96-1,998,571,073.76-966,469,416.12

Finding the Fourth Proportional to 1,331,921,460.96, 1,998,571,073.76 and 966,469,416.12

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Solution

The fourth proportional to 1,331,921,460.96, 1,998,571,073.76 and 966,469,416.12 is: 1,450,203,991.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,921,460.96 : 1,998,571,073.76 = 966,469,416.12 : x
  2. Step 2: Convert to fraction form
    1,331,921,460.96/1,998,571,073.76 = 966,469,416.12/x
  3. Step 3: Cross multiply
    1,331,921,460.96x = 1,998,571,073.76 × 966,469,416.12
  4. Step 4: Simplify right side
    1,331,921,460.96x = 1,931,557,818,731,148,544
  5. Step 5: Solve for x
    x = 1,931,557,818,731,148,544/1,331,921,460.96
  6. Step 6: Final answer
    x = 1,450,203,991.26

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Double scale
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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.